ts27l4c,i,m very low power quad cmos operational amplifiers october 1995 . excellent phase margin on capacitive loads . symetrical output currents . low output dynamic impedance . the transfer function is linear . pin to pin compatible with standard quad op-amps (tl084 -lm324) . stable and low offset voltage . three input offset voltage selections 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 27l4-01.eps pin connections (top view) n dip14 (plastic package) d so14 (plastic micropackage) description the ts274 series are low cost, low power quad operational amplifiers designed to operate with single or dual supplies. these operational amplifi- ers use the sgs-thomson silicon gate lin mos process giving them an excellent consumption- speed ratio. these series are ideally suited for low consumption applications. three power consumptions are available allowing to have always the best consumption-speed ratio : i cc =10 m a/amp. : ts27l4 (very low power) i cc = 150 m a/amp. : ts27m4 (low power) i cc = 1ma/amp. : ts274 (high speed) these cmos amplifiers offer very high input im- pedance and extremely low input currents. the major advantage versus jfet devices is the very low input currents drift with temperature (see figure 2). order codes part number temperature range package nd ts27l4c/ac/bc 0 o c, +70 o c ts27l4i/ai/bi -40 o c, +125 o c ts27l4m/am/bm -55 o c, +125 o c example : ts27l4acn 27l4-01.tbl 1/8
e e input differential second stage output stage output cc v cc v current source xi 27l4-02.eps block diagram maximum ratings symbol parameter value unit v cc + supply voltage - (note 1) 18 v v id differential input voltage - (note 2) 18 v v i input voltage - (note 3) -0.3 to 18 v i o output current for v cc + 15v 30 ma i in input current 5ma t oper operating free-air temperature range ts27l4c/ac/bc ts27l4i/ai/bi ts27l4m/am/bm 0 to +70 -40 to +125 -55 to +125 o c t stg storage temperature range -65 to +150 o c notes : 1. all voltage values, except differential voltage, are with respect to network ground terminal. 2. differential voltages are at the non-inverting input terminal with respect to the inverting input terminal. 3. the magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage. 27l4-02.tbl 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 * selected devices only. 27l4-03.tbl ts27l4c,i,m 2/8
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 input 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 27l4-03.eps schematic diagram (for 1/4 ts27l4) ts27l4c,i,m 3/8
electrical characteristics v cc + = +10v, v cc - =0v,t amb =25 o c (unless otherwise specified) symbol parameter ts27l4c/ac/bc ts27l4i/ai/bi ts27l4m/am/bm unit min. typ. max. min. typ. max. v io input offset voltage v o = 1.4v, v ic = 0v ts27l4c/i/m ts27l4ac/ai/am ts27l4bc/bi/bm t min . t amb t max. ts27l4c/i/m ts27l4ac/ai/am ts27l4bc/bi/bm 1.1 0.9 0.25 10 5 2 12 6.5 3 1.1 0.9 0.25 10 5 2 12 6.5 3.5 mv dv io input offset voltage drift 0.7 0.7 m v/ o c i io input offset current - (note 1) v ic = 5v, v o =5v t min . t amb t max. 1 100 1 200 pa i ib input bias current - (note 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 =1m w t min . t amb t max. 8.8 8.7 9 8.8 8.6 9 v v ol low level output voltage v id = -100mv 50 50 mv a vd large signal voltage gain v o = 1v to 6v, r l =1m w ,v ic =5v t min . t amb t max. 60 45 100 60 40 100 v/mv gbp gain bandwidth product a v = 40db, r l =1m w ,c l = 100pf f in = 10khz 0.1 0.1 mhz cmr common mode rejection ratio v o = 1.4v, v ic = 1v to 7.4v 65 80 65 80 db svr supply voltage rejection ratio v cc + = 5v to 10v ,v o = 1.4v 60 80 60 80 db i cc supply current (per amplifier) a v = 1, no load, v o =5v t min . t amb t max. 10 15 17 10 15 18 m a i o output short circuit current v id = 100mv, v o =0v 60 60 ma i sink output sink current v id = -100mv, v o =v cc 45 45 ma sr slew-rate at unity gain r l =1m w ,c l = 100pf, v i = 3 to 7v 0.04 0.04 v/ m s ? m phase margin at unity gain a v = 40db, r l =1m w ,c l = 100pf 45 45 degrees k ov overshoot factor 30 30 % e n equivalent input noise voltage f = 1khz, r s = 100 w 68 68 nv ``` hz v o1 /v o2 channel separation 120 120 db note : 1. maximum values including unavoidable inaccuracies of the industrial test. 27l4-04.tbl ts27l4c,i,m 4/8
typical characteristics cc supply voltage, v (v) t=25 c a=1 v=v /2 amb v 20 15 10 5 0481216 occ cc supply current,i (ma) 27l4-04.eps figure 1 : supply current (each amplifier) versus supply voltage 25 50 75 100 125 input biascurrent, i (pa) ib 100 10 1 cc ic v = 10v v=5v amb temperature, t ( c) 27l4-05.eps figure 2 : input bias current versus free air temperature 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 27l4-06.eps figure 3a : high level output voltage versus 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 27l4-07.eps figure 3b : ihigh level output voltage versus high level output current 1.0 0.8 0.6 0.4 0.2 amb ic id t=25 c v = 0.5v v = -100mv v=3v cc v=5v cc ol output voltage,v (v) 0 123 output current, i (ma) ol 27l4-08.eps figure 4a : low level output voltage versus low level output current 3 2 1 048121620 output voltage,v (v) ol amb id i t=25 c v = 0.5v v = -100mv cc v = 10v cc v = 16v output current, i (ma) ol 27l4-09.eps figure 4b : low level output voltage versus low level output current ts27l4c,i,m 5/8
typical characteristics (continued) 50 40 30 20 10 0 -10 gain (db) phase(degrees) 0 45 90 135 180 frequency, f (hz) 2 10 amb cc + l l vcl phase margin phase gain t=25 c v = 10v r=1m w c = 100pf a = 100 6 10 5 10 4 10 3 10 gain bandwidt h product 27l4-10.eps figure 5 : open loop frequency response and phase shift supply voltage, v (v) cc 04 81216 120 100 80 60 40 gain bandw. prod., gbp (khz) t=25 c r=1m w c = 100pf a=1 amb l l v 27l4-11.eps figure 6 : gain baindwidth product versus supply voltage 04 81216 supply voltage, v (v) cc phase margin, m (degrees) f 60 50 40 30 t=25 c r=1m w c = 100pf a=1 amb l l v 27l4-12.eps figure 7 : phase margin versus supply voltage 0 20 40 60 80 100 capacitance, c (pf) l phase margin, m (degrees) f 80 70 60 50 40 t=25 c r=1m w a=1 amb l v = 10 v cc v 27l4-13.eps figure 8 : phase margin versus capacitive load 46 810121416 supply voltage, v (v) cc 0.05 0.04 0.03 0.02 t=25 c r=1m w c = 100pf amb l l sr sr slew rates, sr (v/ m s) 27l4-14.eps figure 9 : slew rates versus supply voltage 300 200 100 0 equivalentinput noise voltage (nv/vhz) 1 10 100 1000 frequency (hz) = 10v =25 c t amb v cc =100 w r s 27l4-15.eps figure 10 : input voltage noise versus frequency ts27l4c,i,m 6/8
14 8 17 i a1 l b e d z b z e3 f b1 e pm-dip14.eps package mechanical data 14 pins - plastic dip dimensions millimeters inches min. typ. max. min. typ. max. a1 0.51 0.020 b 1.39 1.65 0.055 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 15.24 0.600 f 7.1 0.280 i 5.1 0.201 l 3.3 0.130 z 1.27 2.54 0.050 0.100 dip14.tbl ts27l4c,i,m 7/8
information furnished is believed to be accurate and reliable. however, sgs-thomson microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no licence is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectronics. specifications mentioned in this publication are subject to change without notice. this pub lication supersedes and replaces all information previously supplied. sgs-thomson microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of sgs-thomson microelectronics. ? 1995 sgs-thomson microelectronics - all rights reserved sgs-thomson microelectronics group of companies australia - brazil - france - germany - hong kong - italy - japan - korea - malaysia - malta - morocco - the netherlands singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a. order code : f c g l e a1 b1 a2 a e d m e3 b 14 8 17 c1 s pm-so14.eps package mechanical data 14 pins - plastic micropackage (so) dimensions millimeters inches min. typ. max. min. typ. max. a 1.75 0.069 a1 0.1 0.2 0.004 0.008 a2 1.6 0.063 b 0.35 0.46 0.014 0.018 b1 0.19 0.25 0.007 0.010 c 0.5 0.020 c1 45 o (typ.) d 8.55 8.75 0.336 0.334 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 f 3.8 4.0 0.150 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.020 0.050 m 0.68 0.027 s8 o (max.) so14.tbl ts27l4c,i,m 8/8
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