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LMC6494AEM Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMC6494AEM Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  LMC6492 Dual/LMC6494 Quad CMOS Rail-to-Rail Input and Output Operational Amplifier General Description The LMC6492/LMC6494 amplifiers were specifically devel- oped for single supply applications that operate from −40˚C to +125˚C. This feature is well-suited for automotive systems because of the wide temperature range. A unique design to- pology enables the LMC6492/LMC6494 common-mode volt- age range to accommodate input signals beyond the rails. This eliminates non-linear output errors due to input signals exceeding a traditionally limited common-mode voltage range. The LMC6492/LMC6494 signal range has a high CMRR of 82 dB for excellent accuracy in non-inverting circuit configurations. The LMC6492/LMC6494 rail-to-rail input is complemented by rail-to-rail output swing. This assures maximum dynamic signal range which is particularly important in 5V systems. Ultra-low input current of 150 fA and 120 dB open loop gain provide high accuracy and direct interfacing with high imped- ance sources. Features (Typical unless otherwise noted) n Rail-to-Rail input common-mode voltage range, guaranteed over temperature n Rail-to-Rail output swing within 20 mV of supply rail, 100 k Ω load n Operates from 5V to 15V supply n Excellent CMRR and PSRR 82 dB n Ultra low input current 150 fA n High voltage gain (RL = 100 kΩ) 120 dB n Low supply current (@ VS = 5V) 500 µA/Amplifier n Low offset voltage drift 1.0 µV/˚C Applications n Automotive transducer amplifier n Pressure sensor n Oxygen sensor n Temperature sensor n Speed sensor Connection Diagrams 8-Pin DIP/SO DS012049-1 Top View 14-Pin DIP/SO DS012049-2 Top View October 1994 © 1999 National Semiconductor Corporation DS012049 www.national.com |
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