AD627

Data Sheet Micropower, Single- and Dual-Supply, Rail-to-Rail Instrumentation Amplifier AD627 FEATURES Micropower, 85 μA maximum supply current Wide power supply range (+2.2 V to ±18 V) Easy to use Gain set with one external resistor Gain range 5 (no resistor) to 1000 Higher performance than discrete designs Rail-to-rail output swing High accuracy dc performance 0.03% typical gain accuracy (G = +5) (AD627A) 10 ppm/°C typical gain drift (G = +5) 125 μV maximum input offset voltage (AD627B dual supply) 200 μV maximum input offset voltage (AD627A dual supply) 1 μV/°C maximum input offset voltage drift (AD627B) 3 μV/°C maximum input offset voltage drift (AD627A) 10 nA maximum input bias current Noise: 38 nV/√Hz RTI noise at 1 kHz (G = +100) Excellent ac specifications AD627A: 77 dB minimum CMRR (G = +5) AD627B: 83 dB minimum CMRR (G = +5) 80 kHz bandwidth (G = +5) 135 μs settling time to 0.01% (G = +5, 5 V step) APPLICATIONS 4 mA to 20 mA loop-powered applications Low power m...