revisions no version approved the information contained in this documentation is the property of mazet. photocopying or otherwise reproducing any part of the catalog, whether electronically or mechanically, is prohibited, except where the express permi ssion of mazet gmbh has been obtained. in general, all company and brand names, as well as the names of individual products, are protected by brand, patent or product law. 1 v 1.4 2007-08-01 approvals date mazet gmbh compiled: 2007-08-01 checked: 2007-08-01 status: valid mazet gmbh sales g?schwitzer stra?e 32 07745 jena / germany phone: +49 3641 2809-0 fax: +49 3641 2809-12 e-mail: sales@mazet.de url: http://www.mazet.de released: 2007-08-01 doc. no: db-05-175e page 1 of 8 data sheet mti04cs/MTI04CQ multi-channel programmable gain transimpedance amplifier table of contents 1. general description....................................................................................2 2. block diagram ................................................................................................2 3. description of interface...........................................................................3 3.1 pinning.................................................................................................................... ...3 3.2 adjustment of transimpedance ................................................................................3 3.3 switchable fr equency range....................................................................................3 3.4 power down modus ..................................................................................................3 4. description of function ............................................................................4 5. electrical characteristics ......................................................................4 5.1 maximum conditions.................................................................................................4 5.2 operating conditions ................................................................................................4 6. packages ..........................................................................................................6 6.1 shape and dimensions .............................................................................................6 6.2 pin-config uration.......................................................................................................7 7. ordering information.................................................................................7 8. contact.............................................................................................................7 9. applications ....................................................................................................8
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 2 of 8 data sheet mti04cs/MTI04CQ 1. general description the mti-devices are a family of integrated circuits of programmable gain transimpedance amplifiers with 4 channels per ic (more custom specific, on request). the mti-devices are mainly used for signal conditioning of sensors with current outputs . they are especially suitable for connection of photodiodes of array and row sensors . the possibility to adjust the transimpedance in 8 stages is a special feature. the adjustment is made by programming three pins and is valid for all channels together. the device packages (naked chip on request) are rohs conform and optimized for cob- mounting and smd . 2. block diagram opamp 1 r c opamp x r c iin<1> iin vref vdd gnd sw1 sw2 sw3 sw4 mti04 pd vout vout<1> pb
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 3 of 8 data sheet mti04cs/MTI04CQ 3. description of interface 3.1 pinning signal name typ. a/d a function vdd input a/d power supply gnd input a/d power supply vref input a reference voltage sw1 input d input 1 for adjustment of transimpedance of mti- amplifier (pull down) sw2 input d input 2 for adjustment of transimpedance of mti- amplifier (pull down) sw3 input d input 3 for adjustment of transimpedance of mti- amplifier (pull down) sw4 input d switchable freque ncy range dependend on input capacitance of the photo-sensor (pull down) pd input d power down modus (pull down) iin input a analog current input of amplifier x vout output a analog voltage output of amplifier x a.) analog or digital 3.2 adjustment of transimpedance settings of digital inputs sw1 sw2 sw3 transimpedance r vdd vdd vdd 20m ? ? stage 1 gnd vdd vdd 10m ? ? stage 2 gnd vdd gnd 5m ? ? stage 3 vdd gnd vdd 2m ? ? stage 4 gnd gnd vdd 1m ? ? stage 5 vdd gnd gnd 500k ? ? stage 6 vdd vdd gnd 100k ? ? stage 7 gnd gnd gnd 25k ? b ? stage 8 b.) default by pull down 3.3 switchable frequency range settings of digital input sw4 allowed capacitance of photo-sensor vdd < 5pf gnd < 80pf c c.) default by pull down 3.4 power down modus settings of digital input pd bias current of the ic vdd < 8a gnd typical d d.) default by pull down
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 4 of 8 data sheet mti04cs/MTI04CQ 4. description of function the mti-devices are programmable gain tran simpedance amplifiers with different numbers of channels (mti04 ? 4 channels). there is one transimpedance amplifier per channel between a current input iin and a voltage output vout. its transimpedance is selectable in 8 stages. this adjustment can be effected by setting of digital inputs sw1, sw3 and sw4 and is valid for all channels simultaneously (headline 3.2). also simultaneously valid for all channels is a compensation of the input capacitance of photo-sensors for two possible frequency ranges (switchable by sw4, headline 3.3). the pins sw1, sw2, sw3 and sw4 are pull down inputs. the second input of all transimpedance amplifiers is used for a common supply by a reference voltage necessarily fed in through the pin vref. all channels are compensated for an external input capacitance of the photo-sensor of smaller than 80pf (sw4 = gnd). the power supply for the mti-devices is ty pical 3v to 5v between vdd and gnd. the power down modus is adjusted by pd = vdd and switches off the functionality. 5. electrical characteristics 5.1 maximum conditions violations of absolute maximum conditions are not allowed under any circumstances, otherwise the ic can be destroyed. all voltages are referenced to gnd = 0v. parameter name min. max. unit power supply vdd 0.3 7.0 v input and output voltages ? ic-pinning 0.3 vdd+0.3 v power dissipation p op 0.025 w operating temperature t op ? 40 125 c storage temperature t stg 55 155 c 5.2 operating conditions all voltages are referenced to gnd = 0v. parameter name min. typ. max. unit condition supply voltage vdd 2.7 3 to 5 5.5 v bias current mti04 i(vdd) 2.5 4.0 ma 27c, vdd=5.5v bias current mti04 i(vdd) 8 a pd=vdd operating temperature t op ? 40 27 125 c input high level v ih 0.7 ? vdd vdd+0.3 v input low level v il ? 0.3 0.8 v reference voltage vref 0.4 vdd ? 0.4 v
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 5 of 8 data sheet mti04cs/MTI04CQ ac/dc-characteristics unless otherwise specified the data in this table is valid for t op = 27c and vdd = 5v. all voltages are referenced to gnd = 0v. parameter name min. typ. max. unit condition 0.025 a stage 1 0.05 a stage 2 0.1 a stage 3 0.25 a stage 4 0.5 a stage 5 1 a stage 6 5 a stage 7 input current i(iin) 20 a stage 8 14000 20000 26700 k ? stage 1 7000 10000 13350 k ? stage 2 3500 5000 6700 k ? stage 3 1400 2000 2670 k ? stage 4 700 1000 1335 k ? stage 5 350 500 670 k ? stage 6 70 100 133 k ? stage 7 feedback resistor r 17 25 34 k ? stage 8 4 6 16 khz stage 1, t op ( 5.2) 7 11 28 khz stage 2, t op ( 5.2) 11 16 42 khz stage 3, t op ( 5.2) 18 26 66 khz stage 4, t op ( 5.2) 25 35 95 khz stage 5, t op ( 5.2) 35 50 130 khz stage 6, t op ( 5.2) 80 120 280 khz stage 7, t op ( 5.2) signal frequency at input sw4 = gnd (c photo-sensor < 80pf) f 3db 160 300 580 khz stage 8, t op ( 5.2) 4 6 16 khz stage 1, t op ( 5.2) 7 11 28 khz stage 2, t op ( 5.2) 14 21 45 khz stage 3, t op ( 5.2) 35 54 130 khz stage 4, t op ( 5.2) 70 110 260 khz stage 5, t op ( 5.2) 100 160 360 khz stage 6, t op ( 5.2) 260 380 780 khz stage 7, t op ( 5.2) signal frequency at input sw4 = vdd (c photo-sesnor < 5pf) f 3db 500 800 1700 khz stage 8, t op ( 5.2) temperature coefficient of the feedback resistor tc r ? 3300 ppm/ k offset voltage v off 1 -10 10 mv t op ( 5.2) capacitive load at vout c load 50 pf i load < 0.5ma per output pull down current sw1, sw2, sw3, sw4, pd i pdpad 200 a digital inputs input capacitance of external connected photo-sensors c photo- sensor 80 pf per input sw4 = gnd input capacitance of external connected photo-sensors c photo- sensor 5 pf per input sw4 = vdd tolerance of the feedback resistors between the four channels tol r 2 1 10 % dc input current; for all stages 1 v off = vout ? vref; results from input offset voltage and input leakage current 2 up to max. 1% available on request
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 6 of 8 data sheet mti04cs/MTI04CQ 6. packages 6.1 shape and dimensions pin 1 d a 1 a e b w l e h dimensions ? mm typ package d e h a a1 e b l w mti04cs sop16 9.90 3.80 6.00 1.75 0.15 1.27 0.41 0.72 4 MTI04CQ qsop16 4.90 3.80 6.00 1.75 0.15 0.635 0.38 0.72 4 soldering pb-free 240c 0 50 100 150 200 250 300 0 50 100 150 200 250 300 350 t [sec] t [c] tapered edge 1) 1) a s shown in the figure pin 1 is located on the bottom of the left corner of the outline.
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 7 of 8 data sheet mti04cs/MTI04CQ 6.2 pin-configuration vref sw1 gnd iin<1> iin<2> iin<3> iin<4> pd 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 sw2 vdd sw3 vout<1> vout<2> vout<3> vout<4> sw4 mti04 top view (not to scale) sop16 qsop16 r = f(sw1, sw2, sw3) 7. ordering information name of product package number of channels mti04cs sop16 4 MTI04CQ qsop16 4 8. contact for further information, please feel free to contact: mazet gmbh sales office: g?schwitzer stra?e 32 07745 jena germany phone: +49 3641 2809-0 fax: +49 3641 2809-12 e-mail: sales@mazet.de url: http://www.mazet.de
revisions no version approved 1 v 1.4 2007-08-01 the information contained in these documents reflects the current state of the art at the time of publication and is of a provisional na ture. mazet explicitly reserves the right to make technical changes to the equipment and components described in the documentation. doc. no: db-05-175e page 8 of 8 data sheet mti04cs/MTI04CQ mazet mti04 i i i r r r v v v mcs3as +v r grn rot blau 1 2 3 blau rot grn vref 4 5 a 2 a 1 3 6 2 7 1 8 a 3 k tr d = vdd mazet mti04 i i i r r r v v v mtcsics +v r y x z 1 2 3 z x y vref = vdd mazet mti04 i i i r r r v v v mcsiat mcsibt +v r grn rot blau 1 2 3 blau rot grn vref = vdd mazet mti04 i i i r r r v v v mtcsict +v r y x z 1 2 3 z x y vref = vdd mazet mti04 i i i r r r v v v mcs3at mcs3bt +v r grn rot blau 1 2 3 blau rot grn vref = vdd mazet mti04 i i i r r r v v v mcs3ao +v r grn rot blau 1 2 3 blau rot grn vref = vdd 9. applications connection of mazet color sensor
|
