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tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 1 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b cmos programmable low power operational amplifiers note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/qua lity/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlor ine (<1500ppm total br + cl) and <1000ppm antimony compounds. description the tlc271 operational amplifier combines a wide range of input offset voltage grades with low offset voltage drift and high input impedance. in addition, the tlc271 offers a bia s - select mode that allows the user to select the best combination of power dissipation and ac performance for a particular application. using the bias - select option, these devices can be programmed to fit a wide range of applications. three offset voltage grades are available, ranging from the low - cost tlc271 (10mv) to the tlc271b (2mv) low - offset version. the devices are offered in both commercial and industrial operating temperature ranges. the extremely high input impedance and low bias currents, in conj unction with good common - mo de and supply voltage rejection make these devices an excellent choice for high performance designs. the devices also feature low - voltage single - supply operation with a common - mode input voltage range which includes the negative rail. f eatures ? ? ? ? ? ? ? ? ? ? totally lead - free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. g reen device (note 3) pin assignments applications with the programmability options of the tlc271, a designer can choose a very low current option allowing for extended battery life or choose a higher current option for more performance. it is possible to switch performance modes as the application demands change. the tlc271 is well suited for many consumer audio, industrial and other low power applications. ? C ? ? offset n1 in - in + gnd bias select v dd out offset n2 1 2 3 4 5 6 7 8 ( top view ) 1 in + 2 in - vcc + 1 out 2 in + v cc - 1 in - 2 out so - 8
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 2 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b ordering information device package code offset v oltage operating temperature r ange packaging (note 4 ) 13 tape and reel quanti ty part number suffix tlc271cs - 13 s 10mv 0 to 70 c so - 8 2500/tape & reel - 13 TLC271AC s - 13 s 5mv 0 to 70 c so - 8 2500/tape & reel - 13 tlc271bcs - 13 s 2mv 0 to 70 c so - 8 2500/tape & reel - 13 tlc271is - 13 s 10mv - 40 to 85 c so - 8 2500/tape & reel - 13 tlc271a i s - 13 s 5mv - 40 to 85 c so - 8 2500/tape & reel - 13 tlc271bis - 13 s 2mv - 40 to 85 c so - 8 2500/tape & reel - 13 note : 4 . pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http://www.diodes.com/ datasheets/ap02001.pdf. pin description s pin name pin number description offset n1 1 offset control inverting i nput in - 2 inverting i nput in+ 3 non - inverting i nput gnd 4 ground offset n2 5 offset control non - inverting i nput out 6 output v dd 7 su pply bias select 8 bias mode s elect
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 3 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b absolute maximum ratings (note s 5, 6, 7, 8, 9 ) symbol parameter rating unit v dd supply v oltage (note 6 ) 18 v v id differential input voltage (note 7 ) v dd v v in input voltage range (either input) - 0.3 to v dd v i in input c urrent 5 ma i output c urrent 30 ma output short - circuit to gnd (note 8 ) continuous ? p d power dissipation (note 9 ) 1065 mw t a operating temperature range c g rade 0 to +70 c i g rade - 40 to +85 t j operating j unction t emperature 15 0 c t st storage temperature range - 65 to +150 c esd hbm human body model esd p rotection (1.5k in series with 100pf) 1.5 kv note s : 5 . stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress rati ngs only; functional operation of the device at these or any other conditions beyond those indicated under recommended operating condit ions is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device relia bility. 6 . all voltage values, except differential voltages, are with respect to ground . 7 . differential input voltages are at in+ with respect to in - . 8 . the output may be shorted to either supply. temperature and/or supply voltages must be limited to ensure that the maximum dissipation rating is not exceeded . 9 . for operating at high temperatures, the tlc271 must be derated 8.5mw/ c to zero based on a +1 5 0 c maximum junction temperature and a thermal resistance of + 117 c/ w when the device i s soldered to a printed circuit board, operating in a still air ambient. recommended operating conditions symbol parameter c grade i grade unit min max min max v dd supply voltage 3 16 4 16 v v ic common m ode input v oltage v dd = 5v - 0.2 3.5 - 0.2 3.5 v v dd = 10v - 0.2 8.5 - 0.2 8.5 t a operating free air t emperature 0 +70 - 40 +85 c
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 4 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics high bias m ode parameter conditions t a tlc271c, TLC271AC, tlc271bc unit v dd = 5v v dd = 10v min typ m ax min typ. max v i input offset voltage tlc271c v = 1.4v, v ic = 0v, r s = 50, l = 10k + 25 c ? 1.1 10 ? 1.1 10 mv 0 to + 70 c ? ? 12 ? ? 12 TLC271AC + 25 c ? 0.9 5 ? 0.9 5 0 to 70 c ? ? 6.5 ? ? 6.5 tlc271bc 25 c ? 0.34 2 ? 0.39 2 0 to + 70 c ? ? 3 ? ? 3 vi average t emperatu re coefficient of i nput offset v oltage ? + 25 c to 70 c 1.8 2 v/ c i i input offset c urrent (note 10 ) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 70 c ? 7 300 ? 7 300 i ib input bias c urrent (note 10 ) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 70 c ? 40 600 ? 50 600 v icr common mode input v oltage (note 11 ) ? + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v 0 to + 70 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level output v oltage v id = 100mv, r l = 10k + 25 c 3.2 3.8 ? 8 8.5 ? v 0 c 3 3.8 ? 7.8 8.5 ? + 70 c 3 3.8 ? 7.8 8.4 ? v l low level output v oltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 m v 0 c ? 0 50 ? 0 50 + 70 c ? 0 50 ? 0 50 a vd lar ge signal differential voltage g ain r l = 10k (note + 25 c 5 23 ? 10 36 ? v/mv 0 c 4 27 ? 7.5 42 ? + 70 c 4 20 ? 7.5 32 ? cmrr common mode rejection r atio v ic = v icrmin + 25 c 65 80 ? 65 85 ? db 0 c 60 84 ? 60 88 ? + 70 c 60 85 ? 60 88 ? k svr supply voltage rejection r at io ( ? dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 65 95 ? 65 95 ? db 0 c 60 94 ? 60 94 ? + 70 c 60 96 ? 60 96 ? i i(sel) input c urrent (bias select) v i(sel) = 0 + 25 c ? - 1.4 ? ? - 1.9 ? a i dd supply c urrent v = v dd /2, v ic = v dd /2, no load + 25 c ? 675 1600 ? 950 2000 a 0 c ? 775 1800 ? 1125 2200 + 70 c ? 575 1300 ? 750 1700 notes: 10 . the typical values of input bias current and input offset current below 5pa were calculated . 11 . this range also applies to each input individually. 12 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 5 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics high bias mode parameter conditions t a tlc271i, tlc271ai, tlc271bi unit v dd = 5v v dd = 10v min typ max min typ. max v i input offset vo ltage tlc271i v = 1.4v, v ic = 0v, r s = 50?, r l = 10k + 25 c ? 1.1 10 ? 1.1 10 mv - 40 to 85 c ? ? 13 ? ? 13 tlc271ai + 25 c ? 0.9 5 ? 0.9 5 - 40 to 85 c ? ? 7 ? ? 7 tlc271bi + 25 c ? 0.34 2 ? 0.39 2 - 40 to 85 c ? ? 3.5 ? ? 3.5 vi average t e mperature coefficient of input o ffset v oltage ? + 25 to 85 c 1.8 2 v/ c i i input offset c urrent (note 13) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 85 c ? 24 1000 ? 26 1000 i ib input bias c urrent (note 13) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 85 c ? 200 2000 ? 220 2000 v icr common mode input v oltage (note 14 ) ? + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v - 40 to + 85 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level output v ol tage v id = 100mv, r l = 10k + 25 c 3.2 3.8 ? 8 8.5 ? v - 40 c 3 3.8 ? 7.8 8.5 ? + 85 c 3 3.8 ? 7.8 8.5 ? v l low level o utput v oltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 mv - 40 c ? 0 50 ? 0 50 + 85 c ? 0 50 ? 0 50 a vd large signal differential voltage g a in r l = 10k (note + 25 c 5 23 ? 10 36 ? v/mv - 40 c 3.5 32 ? 7 46 ? + 85 c 3.5 19 ? 7 31 ? cmrr common mode rejection r atio v ic = v icrmin + 25 c 65 80 ? 65 85 ? db - 40 c 60 81 ? 60 87 ? + 85 c 60 86 ? 60 88 ? k svr supply voltage rejec tion r atio (?v dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 65 95 ? 65 95 ? db - 40 c 60 92 ? 60 92 ? + 85 c 60 96 ? 60 96 ? i i(sel) input c urrent (bias select) v i(sel) = 0 + 25 c ? - 1.4 ? ? - 1.9 ? a i dd supply c urrent v = v dd /2, v ic = v dd /2, no load + 25 c ? 675 1600 ? 950 2000 a - 40 c ? 950 2200 ? 1375 2500 + 85 c ? 525 1200 ? 725 1600 notes: 13 . the typical values of input bias current and input offset current below 5pa were calculated. 14 . this range also applies to each input indi vidually. 15 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 6 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics high bias mode: v dd = 5v parameter conditions t a tlc271c, TLC271AC, tlc271bc unit min typ max ? sr slew rate at unity g ain r l = 10k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 3.6 ? v/s 0 c ? 4 ? + 70 c ? 3 ? v i(pp) = 2.5v + 25 c ? 2.9 ? 0 c ? 3.1 ? + 70 c ? 2.5 ? v n equivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 25 ? nv/hz b m maximum output s wing b andwidth v = v h , c l = 20pf, r l = 10k + 25 c ? 200 ? khz 0 c ? 220 ? + 70 c ? 140 ? b 1 unity g ain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 2.2 ? mhz 0 c ? 2.5 ? + 70 c ? 1.8 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 49 ? ? 0 c ? 50 ? + 70 c ? 46 ? high bias mode : v dd = 10v parameter conditions t a tlc271c, t lc271ac, tlc271bc unit min typ max ? sr slew rate at unity g ain r l = 10k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 5.3 ? v/s 0 c ? 5.9 ? + 70 c ? 4.3 ? v i(pp) = 5.5v + 25 c ? 4.6 ? 0 c ? 5.1 ? + 70 c ? 3.8 ? v n equivalent input n o ise v oltage f = 1khz, r s = 20 + 25 c ? 25 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 10k + 25 c ? 200 ? khz 0 c ? 220 ? + 70 c ? 1 40 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 2.2 ? mhz 0 c ? 2.5 ? + 70 c ? 1.8 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 49 ? ? 0 c ? 50 ? + 7 0 c ? 46 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 7 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics high bias mode: v dd = 5v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max ? sr slew rate at unity gain r l = 10k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 3. 6 ? v/s - 40 c ? 4.5 ? + 85 c ? 2.8 ? v i(pp) = 2.5v + 25 c ? 2.9 ? - 40 c ? 3.5 ? + 85 c ? 2.3 ? v n equivalent input noise voltage f = 1khz, r s = 20 + 25 c ? 25 ? nv/hz b m maximum output swing bandwidth v = v h , c l = 20pf, r l = 10k see figure + 25 c ? 320 ? khz - 40 c ? 380 ? + 85 c ? 250 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 1.7 ? mhz - 40 c ? 2.6 ? + 85 c ? 1.2 ? ? m phase mar gin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 46 ? ? - 40 c ? 49 ? + 85 c ? 43 ? high bias mode: v dd = 10v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max sr slew rate a t unity gain r l = 10k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 5.3 ? v/s - 40 c ? 6.8 ? + 85 c ? 4 ? v i(pp) = 5.5v + 25 c ? 4.6 ? - 40 c ? 5.8 ? + 85 c ? 3.5 ? v n equivalent input noise voltage f = 1khz, r s = 20 + 25 c ? 25 ? nv/hz b m maximum output swing bandwidth v = v h , c l = 20pf, r l = 10k see figure + 25 c ? 200 ? khz - 40 c ? 260 ? + 85 c ? 130 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 2.2 ? mhz - 40 c ? 3.1 ? + 85 c ? 1.7 ? ? m phase margin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 49 ? - 40 c ? 52 ? + 85 c ? 46 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 8 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics medium bias mode par ameter conditions t a tlc271c, TLC271AC, tlc271bc unit v dd = 5v v dd = 10v min typ max min typ. max v i input offset voltage tlc271c v = 1.4v, v ic = 0v, r s = 50, r l = 100k + 25 c ? 1.1 10 ? 1.1 10 mv 0 to + 70 c ? ? 12 ? ? 12 TLC271AC + 25 c ? 0.9 5 ? 0.9 5 0 to + 70 c ? ? 6.5 ? ? 6.5 tlc271bc + 25 c ? 0.25 2 ? 0.26 2 0 to + 70 c ? ? 3 ? ? 3 vi average temperature coefficient of input offset voltage 25 to + 70 c 1.7 2 .1 v/ c i i input offset current (note 16) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 70 c ? 7 300 ? 7 300 i ib input bias current (note 16) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 70 c ? 40 600 ? 50 600 v icr common mode input voltage (note 17 ) + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v 0 to + 70 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level output voltage v id = 100mv, r l = 100k + 25 c 3.2 3.9 ? 8 8.7 ? v 0 c 3 3.9 ? 7.8 8.7 ? + 70 c 3 4 ? 7.8 8.7 ? v l low level output voltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 mv 0 c ? 0 50 ? 0 50 + 70 c ? 0 50 ? 0 50 a vd large signal differential voltage gain r l = 100k + 25 c 25 170 ? 25 275 ? v/mv 0 c 15 200 ? 15 320 ? + 70 c 15 140 ? 15 230 ? cmrr common mode rejection ratio v ic = v icrmin + 25 c 65 91 ? 65 94 ? db 0 c 60 91 ? 60 94 ? + 70 c 60 92 ? 60 94 ? k svr supply voltage rejecti on ratio (?v dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 70 93 ? 70 93 ? db 0 c 60 92 ? 60 92 ? + 70 c 60 94 ? 60 94 ? i i(sel) input current (bias select) v i(sel) = 0 + 25 c ? - 130 ? ? - 160 ? na i dd supply current v = v dd /2, v ic = v dd /2, no load + 25 c ? 105 280 ? 143 300 a 0 c ? 125 320 ? 173 400 + 70 c ? 85 220 ? 110 280 notes: 16 . the typical values of input bias current and input offset current below 5pa were calculated. 17 . this range also applies to each input individually. 18 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 9 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics medium bias mode parameter conditions t a tlc271i, tlc271ai, tlc271bi unit v dd = 5v v dd = 10v min typ max min typ. max v i input offset v oltage tlc271i v = 1.4v, v ic = 0v, r s = 50, r l = 100k + 25 c ? 1.1 10 ? 1.1 10 mv - 40 to + 85 c ? ? 13 ? ? 13 tlc271ai + 25 c ? 0.9 5 ? 0.9 5 - 40 to + 85 c ? ? 7 ? ? 7 tlc271bi + 25 c ? 0.25 2 ? 0.26 2 - 40 to + 85 c ? ? 3 .5 ? ? 3.5 vi average temperature coefficient of input offset voltage + 25 to + 85 c 1.7 2 .1 v/ c i i input offset current (note 19) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 85 c ? 24 1000 ? 26 1000 i ib input bias current (note 19) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 85 c ? 200 2000 ? 220 2000 v icr common mode input voltage (note 20 ) + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v - 40 to + 85 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level outp ut voltage v id = 100mv, r l = 100k + 25 c 3.2 3.9 ? 8 8.7 ? v - 40 c 3 3.9 ? 7.8 8.7 ? + 85 c 3 4 ? 7.8 8.7 ? v l low level output voltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 mv - 40 c ? 0 50 ? 0 50 + 85 c ? 0 50 ? 0 50 a vd large signal differential voltag e gain r l = 100k + 25 c 25 170 ? 25 275 ? v/mv - 40 c 15 270 ? 15 390 ? + 85 c 15 130 ? 15 220 ? cmrr common mode rejection ratio v ic = v icrmin + 25 c 65 91 ? 65 94 ? db - 40 c 60 90 ? 60 93 ? + 85 c 60 90 ? 60 94 ? k svr supply v oltage rejection ratio (?v dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 70 93 ? 70 93 ? db - 40 c 60 91 ? 60 91 ? + 85 c 60 94 ? 60 94 ? i i(sel) input current (bias select) v i(sel) = 0 + 25 c ? - 130 ? ? - 160 ? na i dd supply current v = v dd /2, v ic = v dd /2, no load + 25 c ? 105 280 ? 143 300 a - 40 c ? 158 400 ? 225 450 + 85 c ? 80 200 ? 103 260 notes: 19 . the typical values of input bias current and input offset current below 5pa were calculated. 20 . this range also applies to each input individually. 21 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 10 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics medium bias mode: v dd = 5v parameter conditions t a tlc271c, TLC271AC, tlc271bc unit min typ max ? sr slew rate at unity ga in r l = 100k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.43 ? v/s 0 c ? 0.46 ? + 70 c ? 0.36 ? v i(pp) = 2.5v + 25 c ? 0.4 ? 0 c ? 0.43 ? + 70 c ? 0.34 ? v n equivalent input noise voltage f = 1khz, r s = 20 25 c ? 32 ? nv/hz b m maximum output swing bandwidth v = v h , c l = 20pf, r l = 100k see + 25 c ? 55 ? khz 0 c ? 60 ? + 70 c ? 50 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 9 4 + 25 c ? 525 ? mhz 0 c ? 600 ? + 70 c ? 400 ? ? m phase margin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 40 ? ? 0 c ? 41 ? + 70 c ? 39 ? medium bias mode: v dd = 10v parameter conditions t a tlc 271c, TLC271AC, tlc271bc unit min typ max ? sr slew rate at unity g ain r l = 100k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.62 ? v/s 0 c ? 0.67 ? + 70 c ? 0.51 ? v i(pp) = 5.5v + 25 c ? 0.56 ? 0 c ? 0.61 ? + 70 c ? 0.46 ? v n eq uivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 32 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 100k + 25 c ? 35 ? khz 0 c ? 40 ? + 70 c ? 30 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 635 ? mhz 0 c ? 710 ? + 70 c ? 510 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 43 ? ? 0 c ? 44 ? + 70 c ? 42 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 11 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics medium bias mode: v dd = 5v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max ? sr slew rate at unity gain r l = 100k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0 .43 ? v/s - 40 c ? 0.51 ? + 85 c ? 0.35 ? v i(pp) = 2.5v + 25 c ? 0.4 ? - 40 c ? 0.48 ? + 85 c ? 0.32 ? v n equivalent input noise voltage f = 1khz, r s = 20 + 25 c ? 32 ? nv/hz b m maximum output swing bandwidt h v = v h , c l = 20pf, r l = 100k see + 25 c ? 55 ? khz - 40 c ? 75 ? + 85 c ? 45 ? b 1 unity gain bandwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 525 ? mhz - 40 c ? 770 ? + 85 c ? 370 ? ? m phase margin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 40 ? ? - 40 c ? 43 ? + 85 c ? 38 ? medium bias mode: v dd = 10v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max ? sr slew rate at unity g ain r l = 100k, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.62 ? v/s - 40 c ? 0.77 ? + 85 c ? 0.47 ? v i(pp) = 5.5v + 25 c ? 0.56 ? - 40 c ? 0.7 ? + 85 c ? 0.44 ? v n equivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 32 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 100k + 25 c ? 35 ? khz - 40 c ? 45 ? + 85 c ? 25 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figur e 94 + 25 c ? 635 ? mhz - 400 c ? 880 ? + 85 c ? 480 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 43 ? ? - 40 c ? 46 ? + 85 c ? 41 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 12 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics low bias mode paramete r conditions t a tlc271c, TLC271AC, tlc271bc unit v dd = 5v v dd = 10v min typ max min typ. max v i input offset voltage tlc271c v = 1.4v, v ic = 0v, r s = 50, r l = 1m + 25 c ? 1.1 10 ? 1.1 10 mv 0 to + 70 c ? ? 12 ? ? 12 tlc271 ac + 25 c ? 0.9 5 ? 0.9 5 0 to + 70 c ? 6.5 ? 6.5 tlc271bc + 25 c ? 0.24 2 ? 0.26 2 0 to + 70 c ? ? 3 ? ? 3 vi average temperature coefficient of input offset v oltage ? + 25 to + 70 c 1.1 1 v/ c i i input offset c urrent (note 22) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 70 c ? 7 300 ? 8 300 i ib input bias c urrent (note 22) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 70 c ? 40 600 ? 50 600 v icr common mode input v oltage (note 23 ) ? + 25 c - 0.2 to 4 - 0.3 t o 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v 0 to + 70 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level output v oltage v id = 100mv, r l = 1m + 25 c 3.2 4.1 ? 8 8.9 ? v 0 c 3 4.1 ? 7.8 8.9 ? + 70 c 3 4.2 ? 7.8 8.9 ? v l low level output v oltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 mv 0 c ? 0 50 ? 0 50 + 70 c ? 0 50 ? 0 50 a vd large signal differential voltage g ain r l = 1m (note + 25 c 50 520 ? 50 870 ? v/mv 0 c 50 700 ? 50 1030 ? + 70 c 50 380 ? 50 660 ? cmrr common mode rejection r atio v ic = v icrmin + 25 c 65 94 ? 65 97 ? db 0 c 60 95 ? 60 97 ? + 70 c 60 95 ? 60 97 ? k svr supply voltage reject ion r atio (?v dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 70 97 ? 70 97 ? db 0 c 60 97 ? 60 97 ? + 70 c 60 98 ? 60 98 ? i i(sel) input c urrent (bias select) v i(sel) = 0 + 25 c ? 65 ? ? 95 ? na i dd supply c urrent v = v dd /2, v ic = v dd /2, no load + 2 5 c ? 10 17 ? 14 23 a 0 c ? 12 21 ? 18 33 + 70 c ? 8 14 ? 11 20 notes: 22 . the typical values of input bias current and input offset current below 5pa were calculated. 23 . this range also applies to each input individually. 24 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 13 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics low bias mode parameter conditions t a tlc271i, tlc271ai, tlc271bi unit v dd = 5v v dd = 10v min typ max min typ. max v i input offset voltage tlc271i v = 1.4v, v ic = 0v, r s = 50, r l = 1m + 25 c ? 1.1 10 ? 1.1 10 mv - 40 to + 85 c ? ? 13 ? ? 13 tlc271ai + 25 c ? 0.9 5 ? 0.9 5 - 40 to + 85 c ? ? 7 ? ? 7 tlc271bi + 25 c ? 0.24 2 ? 0.26 2 - 40 to + 85 c ? ? 3.5 ? ? 3.5 vi average t emperature coefficient of input offset v oltage + 25 to + 85 c 1. 1 1 v/ c i i input offset c urrent (note 25) v = v dd /2, v ic = v dd /2 + 25 c ? 0.1 60 ? 0.1 60 pa + 85 c ? 24 1000 ? 26 1000 i ib input bias c urrent (note 25) v = v dd /2, v ic = v dd /2 + 25 c ? 0.6 60 ? 0.7 60 pa + 85 c ? 200 2000 ? 220 2000 v icr common mode input v oltage (note 26 ) ? + 25 c - 0.2 to 4 - 0.3 to 4.2 ? - 0.2 to 9 - 0.3 to 9.2 ? v - 40 to + 85 c - 0.2 to 3.5 ? ? - 0.2 to 8.5 ? ? v v h high level output v oltage v id = 1 00mv, r l = 1m + 25 c 3 4.1 ? 8 8.9 ? v - 40 c 3 4.1 ? 7.8 8.9 ? + 85 c 3 4.2 ? 7.8 8.9 ? v l low level output v oltage v id = - 100mv, i l = 0 + 25 c ? 0 50 ? 0 50 mv - 40 c ? 0 50 ? 0 50 + 85 c ? 0 50 ? 0 50 a vd large signal differential voltage g ain r l = 1m (note + 25 c 50 520 ? 50 870 ? v/mv - 40 c 50 900 ? 50 1550 ? + 85 c 50 330 ? 50 585 ? cmrr common mode rejection r atio v ic = v icrmin + 25 c 65 94 ? 65 97 ? db - 40 c 60 95 ? 60 97 ? + 85 c 60 95 ? 60 98 ? k svr su pply voltage r ejectio n r atio (?v dd /?v i ) v dd = 5v to 10v, v = 1.4v + 25 c 70 97 ? 70 97 ? db - 40 c 60 97 ? 60 97 ? + 85 c 60 98 ? 60 98 ? i i(sel) input c urrent (bias select) v i(sel) = 0 + 25 c ? 65 ? ? 95 ? na i dd supply c urrent v = v dd /2, v ic = v dd /2, no load + 25 c ? 10 17 ? 14 23 a - 40 c ? 16 27 ? 25 43 + 85 c ? 17 13 ? 10 18 notes: 25 . the typical values of input bias current a nd input offset current below 5 pa were calculated. 26 . this range also applies to each input indivi dually. 27 . at v dd = 5 v, v = 0.25 v to 2 v; at v dd = 10 v, v = 1 v to 6 v.
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 14 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrical characteristics low bias mode: v dd = 5v parameter conditions t a tlc271c, TLC271AC, tlc271bc unit min typ max ? sr slew rate at unity g ain r l = 1m, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.03 ? v/s 0 c ? 0.04 ? + 70 c ? 0.03 ? v i(pp) = 2.5v + 25 c ? 0.03 ? 0 c ? 0.03 ? + 70 c ? 0.02 ? v n equivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 68 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 1m + 25 c ? 5 ? khz 0 c ? 6 ? + 70 c ? 4.5 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 85 ? mhz 0 c ? 100 ? + 70 c ? 65 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 34 ? ? 0 c ? 36 ? + 70 c ? 30 ? low bias mode: v dd = 10v parameter conditions t a tlc271c, TLC271AC, tlc271bc uni t min typ max ? sr slew rate at unity g ain r l = 1m, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.05 ? v/s 0 c ? 0.05 ? + 70 c ? 0.04 ? v i(pp) = 5.5v + 25 c ? 0.04 ? 0 c ? 0.05 ? + 70 c ? 0.04 ? v n equivale nt input noise v oltage f = 1khz, r s = 20 + 25 c ? 68 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 1m + 25 c ? 1 ? khz 0 c ? 1.3 ? + 70 c ? 0.9 ? b 1 unity gain b an dwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 110 ? mhz 0 c ? 125 ? + 70 c ? 90 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 38 ? ? 0 c ? 40 ? + 70 c ? 34 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 15 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b electrica l characteristics low bias mode: v dd = 5v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max ? sr slew rate at unity g ain r l = 1m, l = 20pf see figure 92 v i(pp) = 1v + 25 c ? 0.03 ? v/s - 40 c ? 0.04 ? + 85 c ? 0.03 ? v i(pp) = 2.5v + 25 c ? 0.03 ? - 40 c ? 0.04 ? + 85 c ? 0.02 ? v n equivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 68 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 1m + 25 c ? 5 ? khz - 40 c ? 7 ? + 85 c ? 4 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 85 ? mhz - 40 c ? 130 ? + 85 c ? 55 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 34 ? ? - 40 c ? 38 ? + 85 c ? 28 ? low bias mode: v dd = 10v parameter conditions t a tlc271i, tlc271ai, tlc271bi unit min typ max ? sr slew rate at unity g ain r l = 1m, l = 20pf see fi gure 92 v i(pp) = 1v + 25 c ? 0.05 ? v/s - 40 c ? 0.06 ? + 85 c ? 0.03 ? v i(pp) = 5.5v + 25 c ? 0.04 ? - 40 c ? 0.05 ? + 85 c ? 0.03 ? v n equivalent input noise v oltage f = 1khz, r s = 20 + 25 c ? 68 ? nv/hz b m maximum output swing b andwidth v = v h , c l = 20pf, r l = 1m + 25 c ? 1 ? khz - 40 c ? 1.4 ? + 85 c ? 0.8 ? b 1 unity gain b andwidth v i = 10mv, c l = 20pf see figure 94 + 25 c ? 110 ? mhz - 400 c ? 155 ? + 85 c ? 80 ? ? m phase m argin f = b 1 , v i = 10mv, c l = 20pf see figure 94 + 25 c ? 38 ? ? - 40 c ? 42 ? + 85 c ? 32 ?
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 16 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics table index of graphs figure high bias mode med ium bias mode low bias mode v i input offset v oltage distribution 1,2 31,32 61,62 v h high level output v oltage vs. high level output c urrent 3,4 33,34 63,64 vs. supply v oltage 5 35 65 vs. free air t emperature 6 36 66 v l low level output v olt age vs. common mode input v oltage 7,8 37,38 67,68 vs. differential input v oltage 9 39 69 vs. free air t emperature 10 40 70 vs. low level output c urrent 11,12 41,42 71,72 a vd large signal differential voltage g ain vs. supply v oltage 13 43 73 vs . free air t emperature 14 44 74 i ib input bias c urrent vs. free air t emperature 15 45 75 i i input offset c urrent vs. free air t emperature 15 45 75 v ic common mode input v oltage vs. supply v oltage 16 46 76 i dd supply c urrent vs. supply v oltage 17 47 77 vs. free air t emperature 18 48 78 sr slew r ate vs. supply v oltage 19 49 79 vs. free air t emperature 20 50 80 i sel bias select c urr ent vs. supply v oltage 21 51 81 v ( pp) maximum peak to peak output v oltage vs. f requency 22 52 82 b 1 unity gain b andwidth vs. free air t emperature 23 53 83 vs. supply v oltage 24 54 84 a vd lar ge s ignal differential voltage g ain vs. f requency 29,30 59,60 89,90 ? m phase m argin vs. supply v oltage 25 55 85 vs. free air t emperature 26 56 86 vs. capacitive l oad 27 57 87 v n equivalent input noise v oltage vs. f requency 28 58 88 ? shift phase s hift vs. f requency 29,30 59,60 89,90
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 17 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 1 figure 2 figure 3 figure 4
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 18 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 5 figure 6 figure 7 f igure 8
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 19 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 9 figure 10 figure 11 figure 12
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 20 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 1 3 figure 14 figure 15 figure 16
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 21 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance ch aracteristics high bias mode figure 1 7 figure 18 figure 19 figure 20
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 22 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 2 1 figure 2 2 figure 2 3 figure 24
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 23 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics high bias mode figure 25 figure 26 figure 27 figure 28
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 24 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical performance characteristics high bias mode figure 29 figure 30 typical performance characteristics medium bias mode figure 31 figure 32
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 25 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics me dium bias mode figure 3 3 figure 3 4 figure 3 5 figure 3 6
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 26 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 3 7 figure 3 8 figure 3 9 figure 40
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 27 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 41 figure 4 2 figure 4 3 figure 4 4
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 28 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 4 5 figure 4 6 figure 4 7 figure 4 8
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 29 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 4 9 figure 50 figure 51 fig ure 5 2
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 30 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 5 3 figure 5 4 figure 5 5 figure 5 6
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 31 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics medium bias mode figure 5 7 figure 5 8 figure 5 9 figure 60
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 32 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performan ce characteristics low bias mode figure 61 figure 62 figure 63 figure 64
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 33 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 65 figure 66 figure 67 figure 68
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 34 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 6 9 figure 70 figure 71 figure 72
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 35 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 73 figure 74 figure 75 figure 76
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 36 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 77 figure 78 figur e 79 figure 80
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 37 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 81 figure 82 figure 83 figure 84
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 38 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical performance characteristics low bias mode figure 85 figure 8 6 figure 8 7 figure 8 8
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 39 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b t ypical perfor mance characteristics low bias mode figure 89 figure 90
tlc271, tlc271a, tlc271b document number: ds35395 rev. 2 - 2 40 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b application information bias select feature the tlc271 offers a bias - select feature that allows the user to select any one of three bias levels depending on the level of perfor mance desired. the trade - off between bias levels relates to ac performance and power dissipation as below . typical values t a = + 25 c, v dd = 5v mode units high bias r l =10k medium bias r l =100k low bias r l =1m p d power d issipation 3.4 0.5 0.05 mw sr slew r ate 3.6 0.4 0.03 v/s v n equivalent input noise v oltage at f=1khz 20 25 2 8 nvhz b 1 unity gain b andwidth 1.7 0.5 0.09 mhz ? m phase m argin 46 40 34 ? a vd large signal differential voltage a mplification 23 170 480 v/mv bias selection bias s election is achieved by connecting the bias select pin to one of three voltage levels (see below). for medium - bias applications, it is recommended that the bias select pin be connected to the midpoint between the supply rails. this procedure is simple in s plit - supply applications, since this point is ground. in single - supply applications, the medium - bias mode necessitates using a voltage divider as indicated below. the use of large - value resistors in the voltage divider reduces the current drain of the di vider from the supply line. however, large - value resistors used in conjunction with a large - value capacitor require significant time to charge the supply to the midpoint after the supply is switched on. a voltage other than the midpoint can be used if it i s within the voltages specified table. bias mode bias select voltage (single supply) low v dd medium 1 v to v dd - 1 v high gnd figure 91 h igh - bias m ode in high - bias mode, the tlc271 series features low offset voltage drift, high input impedance and low noise. speed in this mode approaches that of bifet devices but at only a fraction of the power dissipation. unity - gain bandwidth is typically greater than 1 mhz. m edium - b ia s m ode the tlc271 in medium - bias mode features low offset volt age drift, high input impedance and low noise. speed in this mode is similar to general - purpose bipolar devices , but power dissipation is only a fraction of that consumed by bipolar devices. l ow - bias m ode in low - bias mode, th e tlc271 features low offset voltage drift, high input impedance, extremely low power consumption and high differential voltage gain. t o t h e b i a s s e l e c t p i n l o w m e d i u m h i g h 1 m 0 . 0 1 f v d d 1 m
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 41 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b application information (cont . ) parameter measurement circuits because the tlc271 is optimized for single - supply operati on, circuit configurations used for the various tests can present some difficulties since the input signal must be offset from ground. this issue can be avoided by testing the device with split supplies and th e output load tied to the negative rail. exampl e circuits are shown below. fig ure 92 measurement circuit with either single or split supply fig 93 noise measurement with single or split supply fig ure 94 gain of 100 with single or split supply + ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - c l v d d v o + - c l v d d v o + v d d - ? v d d 1 0 k 1 0 0 1 0 k v i 1 0 0 v i ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + + - c l r l v d d v i v o + - c l r l v d d v i v o + v d d - + ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - c l r l v d d v o + - c l r l v d d v o + v d d - ? v d d 2 k 2 0 2 0 2 k 2 0 2 0
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 42 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b application notes offset voltage nulling circuit the tlc271 offers external input offset null control. nulling of the input off set voltage may be achieved by adjusting a 100 - k? potentiometer connected between th e offset null terminals with the wiper c onnected as shown in figure 95 . the amount of nulling range varies with the bias select ion. in the high - bias mode, the nulling range allows the maximum offset voltage specified to be trimmed to zero . in low - bias and medium - bias modes, total nulling may not be possible. figure 9 5 offset nulling circuits input bias current C error protection the tlc271 has an extremely high input impedance. to use the inputs as a high impedance node, for example , greater than 100 k , or to accurately measure bias current , it will be necessary to place a guard ring around the input pins and drive this ring to a potential equivalent to the common mode input voltage. in many cases this common mode potential may exist as a part of the feedback circuit and can be obtained from o ne of the appropriate nodes. in the case for the so8 package, pin 4 is connected to ground or vdd - . i nput pins 2 and 3 are normally well above the voltage on pin 4 so a large potential vol tage on the order of several volts is likely between pins 3 and 4. to prevent interference with a 1 pa bias current the board resistance would need to be in the order of gigaohms to have a minimum impact. the goal is to have the common mode potential on th e guard ring , therefore reducing the stray voltage near the input pins to millivolts in normal applications. any solder flux res idue, excess moisture, humidity or board contamination will be detrimental to using the device in a high impedance input mode. figure 9 6 bias current guarding for high input impedance applications ( a ) s i n g l e s u p p l y ( b ) s p l i t s u p p l y + - t l c 2 7 1 n 2 n 1 i n - i n + v d d v d d v d d / 2 + - t l c 2 7 1 n 2 n 1 i n - i n + v d d - v d d + v i c v = 1 4 8 5
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 43 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s fig ure 9 7 inverting amplifier with voltage reference fig ure 9 8 state variable filter fig ure 9 9 single supply function generator + + - c r 1 r 4 r 3 r 2 v d d v r e f 0 . 0 1 f v i v r e f r 3 r 1 r 3 = + v o v o = r 4 r 2 + v r e f v r e f - v i ( ) v d d + + - 9 v b i a s s e l e c t t l c 2 7 1 1 0 k c = 0 . 0 1 f + - 9 v 1 0 0 k b i a s s e l e c t t l c 2 7 1 5 k v o 9 v 1 0 k r 1 , 1 0 0 k r 3 , 4 7 k v o v o ( p p ) = 8 v v o ( p p ) = 4 v f o = 1 4 c ( r 2 ) r 2 r 1 [ ] r 2 + v i b a n d p a s s h i g h p a s s l o w p a s s + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 1 1 0 k 0 . 0 1 6 f + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 1 0 . 0 1 6 f + - 5 v 1 0 k b i a s s e l e c t t l c 2 7 1 1 0 k 5 k r = 5 k ( 3 / d - 1 ) w h e r e d = d a m p i n g f a c t o r i / o
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 44 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s (cont.) fig ure 100 low power instrumentation amplifier fig ure 101 single supply twin - t notch filter v i 1 0 0 k 1 0 k 1 0 k 9 5 k + - 5 v b i a s s e l e c t t l c 2 7 1 - 5 v + - 5 v b i a s s e l e c t t l c 2 7 1 - 5 v + - 5 v b i a s s e l e c t t l c 2 7 1 - 5 v - v i + 1 0 k r 1 = 1 0 k n o n - i n d u c t i v e + - 5 v b i a s s e l e c t t l c 2 7 1 2 c r 5 4 0 p f v i f n o t c h 1 2 = v o c 2 7 0 p f c 2 7 0 p f 1 0 m r / 2 1 0 m r 5 m r c
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 45 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s (cont.) figure 10 2 power supply figure 10 3 positive peak detector 0 . 4 7 f 1 . 2 k 1 5 + - b i a s s e l e c t t l c 2 7 1 v o 1 k 1 0 0 k 2 0 k 0 . 1 f t l 4 3 1 4 . 7 k + 2 5 0 f 1 0 k 2 2 k 1 1 0 - 2 5 v 4 7 k 0 . 0 1 f v i = 3 . 5 t o 1 5 v = 2 v i o = 0 t o 2 a v i 0 . 5 f 1 0 0 k h . p . v o + - 1 2 v b i a s s e l e c t t l c 2 7 1 + - 1 2 v b i a s s e l e c t t l c 2 7 1 n . o . r e s e t 5 0 8 2 - 2 8 3 5 m y l a r
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 46 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical applicatio n circuit s (cont.) figure 10 4 wein oscillator figure 10 5 single - supply ac amplifier v i 1 0 k v o + - 5 v b i a s s e l e c t t l c 2 7 1 2 . 5 v 1 0 0 k 0 . 1 f 1 m 1 m 1 0 0 k 0 . 1 f 0 . 2 2 f 1 f 1 0 0 k 5 v v o + - b i a s s e l e c t t l c 2 7 1 4 7 0 k 4 7 k 2 . 5 v 6 8 k r 1 6 8 k r 2 c 1 2 . 2 n f c 2 2 . 2 n f 1 0 0 k 1 0 0 k 1 n 4 1 4 8 f o = 1 2 r 1 r 2 c 1 c 2 v o ( p p ) = 2 v
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 47 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s (cont.) figure 10 6 microphone preamplifier figure 10 7 photo - dio de amplifier w ith ambient light rejection figure 10 8 precision low - current sink v o + - 5 v b i a s s e l e c t t l c 2 7 1 2 . 5 v 1 0 k 1 m 1 f 1 0 0 k 1 0 0 k 1 k 0 . 1 f + - 0 . 1 f + - + - 1 0 0 k l o w t o m e d i u m i m p e d a n c e d y n a m i c m i k e g a i n c o n t r o l + - 5 v b i a s s e l e c t t l c 2 7 1 = 0 v t o 3 v v i 2 . 5 v i s r v i c o n d i t i o n s : i s = v i r 2 n 3 8 2 1 v o + - b i a s s e l e c t t l c 2 7 1 + - b i a s s e l e c t t l c 2 7 1 v d d v d d 1 5 n f v d d / 2 v r e f v d d / 2 1 0 m 1 0 0 k 1 0 0 p f v d d = 4 v t o 1 5 v v r e f = 0 v t o v d d - 2 v c o n d i t i o n s :
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 48 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s (cont.) figure 10 9 amplifier with digital gain selection figure 1 10 multivibrator 5 v 0 . 0 1 f + - b i a s s e l e c t t l c 2 7 1 v o 1 v o 2 5 0 0 k 5 0 0 k 5 0 0 k 5 0 0 k 5 v + - b i a s s e l e c t t l c 2 7 1 + - b i a s s e l e c t t l c 2 7 1 v i v o v d d 9 0 k 9 k 1 k x 1 x 2 a n a l o g s w i t c h c c b b a 4 0 6 6 a s 1 s 2 1 2 v d d s 1 s 2 s e l e c t a v 1 0 1 0 0 v d d = 5 v t o 1 2 v
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 49 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b typical application circuit s (cont.) figure 1 11 full wave rectifier figure 11 2 two - pole low - pass bu tterworth filter 1 0 0 k 1 0 k + - b i a s s e l e c t t l c 2 7 1 + v i v o v d d 2 0 k + - b i a s s e l e c t t l c 2 7 1 v o v d d 1 0 k 1 0 k v i 0 . 0 1 6 f 0 . 0 1 6 f = 1 0 k f c n o m a l i z e d t o = 1 k h z a n d r l
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 50 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b marking information so - 8 part mark part number c271c tlc271cs c271ac TLC271ACs c271bc tlc271bcs c271i tlc271is c271ai tlc271ais c271bi tlc271bis package outline dimensions please see ap02002 at http://www.diodes.com/da tasheets/ap0200 2 .pdf for the latest version. so - 8 dim min max a - 1.75 a1 0.10 0.20 a2 1.30 1.50 a3 0.15 0.25 b 0.3 0.5 d 4.85 4.95 e 5.90 6.10 e1 3.85 3.95 e 1.27 typ h - 0.35 l 0.62 0.82 ? ? 0 ? 8 ? all dimensions in mm gauge plane seating plane detail a detail a e e1 h l d e b a2 a1 a 45 7 ~ 9 a3 0 . 2 5 4
tlc271, tlc271a, tlc271b document number: ds35395 rev. 1 - 0 51 of 51 www.diodes.com november 2014 ? diodes incorporated new product tlc2 71, tlc271a, tlc271b important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivale nts under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license unde r its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harml ess against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arisin g out of, directly or indirectly, any claim of personal injury or death associ ated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product nam es and markings noted herein may also be covered by one or more united stat es, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. li fe support diodes incorporated products are specifically not authorized for use as critical components in life support devices or system s without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. lif e support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instruction s for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device o r to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evices or systems, and acknowledge and agree that they are solely responsible for all leg al, regulatory and safety - related requirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may b e provided by diodes incorporated. further, customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. co pyright ? 201 4 , diodes incorporated www.diodes.com

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