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february 2008 rev 3 1/14 14 ts274 high performance cmos quad operational amplifier features output voltage can swing to ground excellent phase margin on capacitive loads gain bandwidth product: 3.5 mhz unity gain stable two input offset voltage selections description the ts274 devices are low cost, quad operational amplifiers designed to operate with single or dual supplies. these operational amplifiers use the st s ilicon gate cmos process giving an excellent consumption-speed ratio. these series are ideally suited for low consumption applications. three power consumptions are available thus offering the best consumption-speed ratio for your application: i cc = 10 a/amp: ts27l4 (very low power) i cc = 150 a/amp: ts27m4 (low power) i cc = 1 ma/amp: ts274 (standard) these cmos amplifiers offer very high input impedance and extremely low input currents. the major advantage versus jfet devices is the very low input currents drift with temperature (see figure 5 on page 6 ). for enhanced features of ts274, in particular rail- to-rail capability and low offset voltage, two new families, tsv91x and tsv99x will better suit low voltage applications. dip14 (plastic package) so-14 (plastic micropackage) pin connections (top view) tssop14 (thin shrink small outline package ) inverting input 2 non-inverting input 2 non-inverting input 1 cc v - cc v 1 2 3 4 8 5 6 7 9 10 11 12 13 14 + output 3 output 4 non-inverting input 4 inverting input 4 non-inverting input 3 inverting input 3 - + - + - + - + output 1 inverting input 1 output 2 table 1. enhanced related families part number v cc range (v) rail-to- rail i/o v io max (mv) i ib max (pa) a vd min (db) i cc max (ma) gbp typ (mhz) sr typ (v/s) packages TSV914 2.5 - 5.5 i/o 1.5/4.5 10 80 1.1 8 4.5 so-14, tssop14 tsv994 2.5 - 5.5 i/o 1.5/4.5 10 80 1.1 20 (g 3) 10 so-14, tssop14 www.st.com
absolute maximum ratings and operating conditions ts274 2/14 1 absolute maximum ratings and operating conditions table 2. absolute maximum ratings (amr) symbol parameter ts274c/ac ts274i/ai unit v cc + supply voltage (1) 1. all values, except differential voltage are with respect to network ground terminal. 18 v v id differential input voltage (2) 2. differential voltages are the non-inverting input termi nal with respect to the inverting input terminal. 18 v v in input voltage (3) 3. the magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage. -0.3 to 18 v i o output current for v cc + 15v 30 ma i in input current 5 ma t oper operating free-air temperature range 0 to +70 -40 to +125 c t stg storage temperature range -65 to +150 c r thja thermal resistance junction to ambient (4) so-14 tssop14 dip14 4. short-circuits can c ause excessive heating and destructive dissipation. val ues are typical. 103 100 80 c/w r thjc thermal resistance junction to case so-14 tssop14 dip14 31 32 33 c/w esd hbm: human body model (5) 5. human body model: a 100pf capacitor is charged to the specified voltage, then discharged through a 1.5k resistor between two pins of the device. this is done for all couples of connected pin combinations while the other pins are floating. 500 v mm: machine model (6) 6. machine model: a 200pf capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (int ernal resistor < 5 ). this is done for all couples of connected pin combinations whil e the other pins are floating. 100 v cdm: charged device model (7) 7. charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. th is is done for all pins. 800 v table 3. operating conditions symbol parameter value unit v cc + supply voltage 3 to 16 v v icm common mode input voltage range 0 to v cc + - 1.5 v t oper operating free-air temperature range ts274c ts274i 0 to 70 -40 to 125 c
ts274 block diagram and circuit schematics 3/14 2 block diagram and circuit schematics figure 1. block diagram e e input differential second stage output stage output cc v cc v current source x i
block diagram and circuit schematics ts274 4/14 figure 2. schematic diagram (for 1/4 ts274) t t 25 2 t 17 18 r t 20 t 21 t t 23 22 input output t 24 t 19 v cc v cc t 26 t 27 t 28 t 29 in pu t t 3 t 4 t 5 t 2 t 1 r1 c1 t 7 t 6 t 8 t 9 t 13 t 14 t 11 t 12 t 10 t 16 t 15
ts274 electrical characteristics 5/14 3 electrical characteristics table 4. v cc + = +10v, v cc - = 0v, t amb = +25c (unless otherwise specified) symbol parameter conditions ts274c/ac ts274i/ai unit min typ max min typ max v io input offset voltage v o = 1.4v, v ic = 0v ts274c/i ts274ac/ai 1.1 0.9 10 5 1.1 0.9 10 5 mv t min t amb t max ts274c/i ts274ac/ai 12 6.5 12 6.5 mv dv io input offset voltage drift 2 2 v/c i io input offset current (1) v ic = 5v, v o = 5v t min t amb t max 1 100 1 200 pa i ib input bias current (1) v ic = 5v, v o = 5v t min t amb t max 1 150 1 300 pa v oh high level output voltage v id = 100mv, r l = 10k t min t amb t max 8.2 8.1 8.4 8.2 8 8.4 v v ol low level output voltage v id = -100mv 50 50 mv a vd large signal voltage gain v ic = 5v, r l = 10k , v o = 1v to 6v t min t amb t max 10 7 15 10 6 15 v/mv gbp gain bandwidth product a v = 40db, r l = 10k , c l = 100pf, f in = 100khz 3.5 3.5 mhz cmr common mode rejection ratio v ic = 1v to 7.4v, v o = 1.4v 65 80 65 80 db svr supply voltage rejection ratio v cc + = 5v to 10v, v o = 1.4v 60 70 60 70 db i cc supply current (per amplifier) a v = 1, no load, v o = 5v t min t amb t max 1000 1500 1600 1000 1500 1700 a i o output short circuit current v o = 0v, v id = 100mv 60 60 ma i sink output sink current v o = v cc , v id = -100mv 45 45 ma sr slew rate at unity gain r l = 10k , c l = 100pf, v in = 3 to 7v 5.5 5.5 v/s m phase margin at unity gain a v = 40db, r l = 10k , c l = 100pf 40 40 degrees k ov overshoot factor 30 30 % e n equivalent input noise voltage f = 1khz, r s = 100 30 30 nv/ hz v o1 /v o2 channel separation 120 120 db 1. maximum values including unavoidable inaccuracies of the industrial test.
electrical characteristics ts274 6/14 figure 3. supply current (each amplifier) vs. supply voltage figure 4. high level output voltage vs. high level output current

! " # 20 16 12 8 4 0 -50 -40 -30 -20 -10 0 amb id t = 25?c v = 100mv v = 16v cc output current, i (ma) oh oh output voltage, v (v) cc v = 10v figure 5. input bias current vs. free-air temperature figure 6. low level output voltage vs. low level output current 25 50 75 100 125 input bias current, i (pa) ib 100 10 1 cc ic v = 10v v = 5v amb temperature, t (?c) $% $& ' (

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figure 7. high level output voltage vs. high level output current figure 8. low level output voltage vs. low level output current 5 4 3 2 1 0 -10 -8 -6 -4 -2 0 amb id t = 25?c v = 100mv v = 5v cc oh output current, i (ma) output voltage, v (v) oh cc v = 3v

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ts274 electrical characteristics 7/14 figure 9. open loop frequency response and phase shift figure 10. phase margin vs. capacitive load 50 40 30 20 10 0 -10 6 10 10 23 10 4 10 5 10 7 10 gain (db) phase (degrees) 0 45 90 135 180 frequency, f (hz) t = 25c v=10v r = 10k c = 100pf a=100 amb cc l l vcl phase gain phase margin gain bandwidth product + 70 60 50 40 30 l capacitance, c (pf) phase margin, m (degrees) 20 0 80 100 60 40 amb l v t = 25c r = 10k a =1 v=10v cc figure 11. gain bandwidth product vs. supply voltage figure 12. slew rate vs. supply voltage 0 4 8 12 16 gain bandw. prod., gbp (mhz) amb l l v t = 25c r = 10k c = 100pf a =1 supply voltage, v (v) cc 5 4 3 2 1 2 4 6 8 10 12 14 16 supply voltage, v (v) cc slew rates, sr (v/ s) sr sr amb l l t = 25c r = 10k c = 100pf 3 4 5 6 7 figure 13. phase margin vs. supply voltage figure 14. input voltage noise vs. frequency 48 04 8 12 16 supply voltage, v (v) cc phase margin, m (degrees) 44 36 32 amb l l v t = 25c r = 10k c = 100pf a =1 28 40 300 200 100 0 equivalent input noise voltage (nv/vhz) 110 100 1000 frequency (hz) = 10v = 25c t a m b v cc =100 r s
macromodel ts274 8/14 4 macromodel 4.1 important note concerning this macromodel please consider the following remarks before using this macromodel. all models are a trade-off between accuracy and complexity (i.e. simulation time). macromodels are not a substitute to breadboarding; rather, they confirm the validity of a design approach and help to select surrounding component values. a macromodel emulates the nominal performance of a typical device within specified operating conditions (temperature, supply voltage, for example). thus the macromodel is often not as ex haustive as the datasheet, it s purpose is to illustrate the main parameters of the product. data derived from macromodels used ou tside of the specified conditions (v cc , temperature, for example) or even worse, outside of the device operating conditions (v cc , v icm , for example), is not reliable in any way. 4.2 macromodel code ******************************** .subckt ts27x 1 2 3 4 5 *** inp- = 1, inp+ =2, out = 3 vdd=4 vss = 5 *** type = ts271/ts272/ts274 .model mdth d is=1e-8 kf=2.664e-16 cjo=10f ***input stage cip 2 5 1e-12 cin 1 5 1e-12 eip 10 5 2 5 1 ein 16 5 1 5 1 rip 10 11 8 rin 15 16 8 ris 11 15 223.84 cps 11 15 1e-9 dip 11 120 mdth 400e-12 din 15 140 mdth 400e-12 rdeg1 12 120 4400 rdeg2 14 140 4400 vofp 12 13 dc 0 vofn 13 14 dc 0 ipol 13 5 38e-6 ***icc dicc1 4 31 mdth 400e-12 dicc2 31 32 mdth 400e-12 dicc3 32 33 mdth 400e-12 dicc4 33 34 mdth 400e-12 ricc 34 5 20e3 icc 4 5 600e-6 ***common mode input limitation dinn 17 13 mdth 400e-12 vin 17 5 dc -0.1
ts274 macromodel 9/14 dinr 15 18 mdth 400e-12 vip 4 18 dc 2.2 ***gm1 stage fgm1p 119 5 vofp 1 fgm1n 119 5 vofn 1 rap 119 4 1e6 ran 119 5 1e6 ***gm2 stage g2p 19 5 119 5 4e-4 g2n 19 5 119 4 4e-4 r2p 19 4 450e3 r2n 19 5 450e3 ***compensation cc 19 119 7p ***buffer ebuf 20 5 19 5 1 ***short-circuit limitations( isink, isource) dopm 19 22 mdth 400e-12 donm 21 19 mdth 400e-12 hopm 22 28 vout 910 vipm 28 4 dc 50 honm 21 27 vout 1222 vinm 5 27 dc 50 vout 3 23 dc 0 ***voh, vol definitions dop 19 25 mdth 400e-12 vop 4 25 2.5 don 24 19 mdth 400e-12 von 24 5 0.92 ***output resistor rout 23 20 10 .ends
package information ts274 10/14 5 package information in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com. 5.1 dip14 package information figure 15. dip14 package mechanical drawing table 5. dip14 package mechanical data ref. millimeters inches min. typ. max. min. typ. max. a1 0.51 0.020 b 1.39 1.65 0.055 0.065 b0.5 0.020 b1 0.25 0.010 d200.787 e8.5 0.335 e 2.54 0.100 e3 15.24 0.600 f 7.1 0.280 i 5.1 0.201 l3.3 0.130 z 1.27 2.54 0.050 0.100
ts274 package information 11/14 5.2 so-14 package information figure 16. so-14 package mechanical drawing table 6. so-14 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a1.750.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c0.5 0.019 c1 45 (typ.) d 8.55 8.75 0.336 0.344 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m0.680.026 s 8 (max.)
package information ts274 12/14 5.3 tssop14 package information figure 17. tssop14 package mechanical drawing figure 18. tssop14 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0808 l1 0.45 0.60 0.75 0.018 0.024 0.030 c e b a2 a e1 d 1 pin 1 identification a1 l k e
ts274 ordering information 13/14 6 ordering information 7 revision history table 7. order codes order code temperature range package packing marking ts274cd ts274cdt 0c, +70c so-14 tu b e o r tape & reel 274c ts274acd ts274acdt 274ac ts274cn ts274acn dip14 tube ts274cn ts274acn ts274cpt ts274acpt tssop14 tape & reel 274c 274ac ts274id ts274idt -40c, +125c so-14 tu b e o r tape & reel 274i ts274aid ts274aidt 274ai ts274in ts274ain dip14 tube ts274in ts274ain ts274ipt ts274aipt tssop14 tape & reel 274i 274ai table 8. document revision history date revision changes 19-nov-2001 1 initial release. 07-apr-2006 2 esd protection inserted in table 2. on page 2 . thermal resistance junction to case information added see table 2. on page 2 . macromodel insertion in section 4 on page 8 . 01-feb-2008 3 added information on enhanced related families of devices on cover page. removed ts274b version in amr table and in order codes table.
ts274 14/14 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2008 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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