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Datasheet File OCR Text: |
this is information on a product in full production. january 2013 doc id 2164 rev 14 1/20 20 lm193, lm293, lm393 low power dual voltage comparators datasheet ? production data features wide single-supply voltage range or dual supplies: +2 v to +36 v or 1 v to 18 v very low supply current (0.45 ma) independent of supply voltage (1 mw/comparator at +5 v) low input bias current: 20 na typ. low input offset current: 3 na typ. low input offset voltage: 1 mv typ. input common-mode voltage range includes ground low output saturation voltage: 80 mv typ. (i sink =4ma) differential input voltage range equal to the supply voltage ttl, dtl, ecl, mos, cmos compatible outputs available in dip8, so-8, tssop8, miniso-8, and dfn8 2 x 2 mm packages description the lm193, lm293, and lm393 devices consist of two independent low voltage comparators designed specifically to operate from a single supply over a wide range of voltages. operation from split power supplies is also possible. these comparators also have a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage. dip8 (plastic package) so-8 (plastic micropackage) tssop8 (thin shrink small outline package) miniso-8 (plastic micropackage) dfn8 2 x 2 mm (plastic micropackage) www.st.com
contents lm193, lm293, lm393 2/20 doc id 2164 rev 14 contents 1 pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 absolute maximum ratings and operating conditions . . . . . . . . . . . . . 5 4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6.1 dip8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6.2 so-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.3 tssop8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.4 miniso-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.5 dfn8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 lm193, lm293, lm393 pin connections doc id 2164 rev 14 3/20 1 pin connections figure 1. pin connections (top view) / u t ) n ) n 6 # # 6 # # / u t ) n ) n ! - schematic diagram lm193, lm293, lm393 4/20 doc id 2164 rev 14 2 schematic diagram figure 2. schematic diagram (1/2 lm193) ! - lm193, lm293, lm393 absolute maximum ratings and operating conditions doc id 2164 rev 14 5/20 3 absolute maximum ratings and operating conditions table 1. absolute maximum ratings symbol parameter value unit v cc supply voltage 18 or 36 v v id differential input voltage 36 v v in input voltage -0.3 to +36 v output short-circuit to ground (1) infinite r thja thermal resistance junction to ambient (2) so-8 tssop8 dip8 miniso-8 dfn8 2 x 2 mm 125 120 85 190 57 c/w r thjc thermal resistance junction to case (2) so-8 tssop8 dip8 miniso-8 dfn8 2 x 2 mm 40 37 41 39 c/w t j maximum junction temperature 150 c t stg storage temperature range -65 to +150 c esd class (3) hbm: human body model h1b mm: machine model m2 cdm: charged device model c5 1. short-circuits from the output to v cc + can cause excessive heating and potential destruction. the maximum output current is approximately 20 ma independent of the magnitude of v cc +. 2. short-circuits can cause excessive heating and destructive dissipation. values are typical. 3. esd class definition from aec-q100: hbm class h1b: esd voltage level from 500 v to 1000 v mm class m2: esd voltage level from 100 v to 200 v cdm class c5: esd voltage level greater than 1500 v. table 2. operating conditions symbol parameter value unit v cc supply voltage (v cc + - v cc - )2 to 36v v icm common mode input voltage range (v cc + = 30 v) (1) t amb = +25 c t min t amb t max 0 to v cc + -1.5 0 to v cc + -2 v t oper operating free-air temperature range lm193, lm193a lm293, lm293a lm393, lm393a -55 to +125 -40 to +105 0 to +70 c 1. the input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3 v. the high end of the common-mode voltage range is v cc + -1.5 v, but either or both inputs can go to +30 v without damage. electrical characteristics lm193, lm293, lm393 6/20 doc id 2164 rev 14 4 electrical characteristics table 3. v cc + = +5v, v cc - = 0v, t amb = +25 c (unless otherwise specified) symbol parameter lm193a - lm293a lm393a lm193- lm293 lm393 unit min. typ. max. min typ. max. v io input offset voltage (1) t min t amb t max 12 4 15 9 mv i io input offset current t min t amb t max 325 100 350 150 na i ib input bias current (i + or i - ) (2) t min t amb t max 20 100 300 20 250 400 na a vd large signal voltage gain v cc = 15 v, r l = 15 k , v o = 1 v to 11 v 50 200 50 200 v/mv i cc supply current (all comparators) v cc = +5 v, no load v cc = +30 v, no load 0.45 0.6 1 2.5 0.45 0.6 1 2.5 ma v id differential input voltage (3) v cc + v cc + v ol low level output voltage v id = -1 v, i sink = 4 ma t min t amb t max 80 400 700 80 400 700 mv i oh high level output current v cc = v o = 30 v, v id = 1 v t min t amb t max 0.1 1 0.1 1 na a i sink output sink current v id = 1 v, v o = 1.5 v 6 18 6 18 ma t re response time (4) r l = 5.1 k connected to v cc + 1.3 1.3 s t rel large signal response time r l = 5.1 k connected to v cc + e l = ttl,v (ref) = +1.4 v 300 300 ns 1. at output switch point, v o 1.4 v, r s = 0 with v cc + from 5 v to 30 v, and over the full common-mode range (0 v to v cc + -1.5 v). 2. the direction of the input current is out of the ic due to the pnp input stage. this current is essentially constant, independent of the state of the output, so no loading charge exists on the reference of input lines. 3. positive excursions of input voltage may exceed the power supply level. as long as the other voltage remains within the common-mode range, the comparator will provide a proper output state. the low input voltage state must not be less than -0.3 v (or 0.3 v below the negative power supply, if used). 4. the response time specified is for a 100 mv input step with 5 mv overdrive. for larger overdrive signals 300 ns can be obtained. lm193, lm293, lm393 electrical characteristics doc id 2164 rev 14 7/20 figure 3. supply current vs. supply voltage figure 4. input current vs. supply voltage ! - ! - figure 5. output saturation voltage vs. output current figure 6. response time for various input overdrives - negative transition figure 7. response time for various input overdrives - positive transition ! - ! - 6 6 / 5 4 6 ) . p & ! - 6 6 / 5 4 6 ) . p & typical applications lm193, lm293, lm393 8/20 doc id 2164 rev 14 5 typical applications figure 8. basic comparator figure 9. driving ttl 6 # # 6 6 / 6 r e f 6 r e f , - ! - 6 6 r e f 6 r e f , - ! - figure 10. low frequency op amp figure 11. driving cmos 6 e o & e ) ! 6 ^ . e 6 f o r e 6 ) o , - ! - 6 6 r e f 6 r e f , - ! - figure 12. low frequency op amp figure 13. transducer amplifier 6 e o & e ) ! 6 ^ , - ! - 6 k e o - a g n e t i c p i c k u p , - ! - lm193, lm293, lm393 typical applications doc id 2164 rev 14 9/20 figure 14. low frequency op amp with offset adjust figure 15. zero crossing detector (single power supply) e ) ^ . 6 e o 2 6 / f f s e t a d j u s t 2 s 2 ) & 2 , - ! - k e ) 6 . k , - ! - figure 16. limit comparator figure 17. crystal controlled oscillator k e ) ^ 2 3 2 3 6 r e f h i g h 2 3 6 r e f l o w . 6 6 # # , a m p , - , - ! - & f k ( z e o 6 6 # # 6 # # , - ! - figure 18. split-supply applications - zero crossing detector figure 19. comparator with a negative reference 6 e o e ) ^ 6 , - ! - 6 e o e ) ^ 6 6 , - ! - typical applications lm193, lm293, lm393 10/20 doc id 2164 rev 14 figure 20. two-decade high frequency vco 6 # # / u t p u t / u t p u t 6 # # 6 # # 6 # # & p & & & |