?2001 fairchild semiconductor corporation www.fairchildsemi.com rev. 1.0.1 features ? internal frequency compensation short circuit protecion large common mode and differential voltage range no latch up low power consumption description the ka1458 series are dual general purpose operational amplifiers, having short circuits protected and require no external components for frequency compensation. high common mode voltage range and absence of ?latch up" make the ka1458 ideal for use as voltage followers. the high gain and wide range of operating voltage provides superior performance in integrator, summing amplifier and general feedback applications. 8-dip 8-sop 9-sip 1 1 1 internal block diagram ka1458 dual operational amplifier
ka1458 2 schematic diagram absolute maximum ratings parameter symbol value unit power supply voltage v cc 18 v input differential voltage v i(diff) 30 v input voltage v i 15 v operating temperature range ka1458 t opr 0 ~ + 70 c storage temperature range t stg - 65 ~ + 150 c
ka1458 3 electrical characteristics (v cc = + 15v, v ee = - 15v, t a = 25 c unless otherwise specified) electrical characteristics (v cc = +15v, v ee = -15v, note1 unless otherwise specified) note: 1. ka1458 : 0 c t a 70 c parameter symbol conditions ka1458 unit min. typ. max. input offset voltage v io r s 10k ? -2.010 mv input offset current i io - - 20 300 na input bias current i bias - - 80 700 na large signal voltage gain g v v o(p-p) = 10v, r l 2.0k ? 20 200 - v/mv input voltage range v i(r) - 11 13 - v input resistance r i -0.31.0-m ? common mode rejection ratio cmrr - 60 90 - db power supply rejection ratio psrr - 77 90 - db supply current (both amplifier) i cc --2.38.0ma output voltage swing v o(pp) r s 10k ? 11 14 - v r s 2k ? 9 13 - output short circuit current i sc --20-ma power consumption p c v o = 0v - 70 240 mw transient response (unity gain) rise time overshoot slew rate t r os sr v i = 20mv,r l 2k ? ,c l 100pf v i = 20mv,r l 2k ? ,c l 100pf v i = 10v,r l 2k ? ,c l 100pf -0.3 15 0.5 - s % v/ s parameter symbol conditions ka1458 unit min. typ. max. input offset voltage v io r s 10k ? --12mv input offset current i io - - - 400 na input bias current i bias - - - 1000 na large signal voltage gain g v v o(p-p) = 10v, r l 2.0k ? 15 - - v/mv common mode rejection ratio cmrr r s 10k ? 70 90 - db power supply rejection ratio psrr r s 10k ? 77 90 - db output voltage swing v o(p.p) r l = 10k ? 11 14 - v r l = 2k ? 9 13 - input voltage range v i(r) - 12 - - v
ka1458 4 typical performance characteristics figure 1. open-loop voltage gain vs power supply voltages figure 2. open-loop frequency response figure 3. power bandwidth (large signal output swing vs frequency) figure 4. output voltage swing vs load resistance
ka1458 5 mechanical dimensions package 6.40 0.20 3.30 0.30 0.130 0.012 3.40 0.20 0.134 0.008 #1 #4 #5 #8 0.252 0.008 9.20 0.20 0.79 2.54 0.100 0.031 () 0.46 0.10 0.018 0.004 0.060 0.004 1.524 0.10 0.362 0.008 9.60 0.378 max 5.08 0.200 0.33 0.013 7.62 0~15 0.300 max min 0.25 +0.10 ?0.05 0.010 +0.004 ?0.002 8-dip
ka1458 6 mechanical dimensions (continued) package 4.92 0.20 0.194 0.008 0.41 0.10 0.016 0.004 1.27 0.050 5.72 0.225 1.55 0.20 0.061 0.008 0.1~0.25 0.004~0.001 6.00 0.30 0.236 0.012 3.95 0.20 0.156 0.008 0.50 0.20 0.020 0.008 5.13 0.202 max #1 #4 #5 0~8 #8 0.56 0.022 () 1.80 0.071 max0.10 max0.004 max min + 0.10 -0.05 0.15 + 0.004 -0.002 0.006 8-sop
ka1458 7 mechanical dimensions (continued) package 21.84 0.20 0.860 0.008 22.24 0.876 max 1.20 0.10 0.047 0.004 0.60 0.10 0.024 0.004 0.76 0.030 () 2.54 0.100 1.15 0.20 0.045 0.008 5.80 0.20 0.228 0.008 3.30 0.20 0.130 0.008 7.30 0.287 max #1 #8 1.25 0.10 3.00 0.20 0.118 0.008 0.049 0.004 + 0.10 -0.05 6.00 0.236 max 0.25 + 0.004 -0.002 0.010 9-sip
ka1458 8 ordering information product number package operating temperature ka1458 8-dip 0 ~ + 70 c ka1458d 8-sop ka1458s 9-sip
ka1458 9
ka1458 6/1/01 0.0m 001 stock#dsxxxxxxxx ? 2001 fairchild semiconductor corporation life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others.
|
