AD8231 PDF Datasheet
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Description
This is Digital Programmable Instrumentation Amplifier. Data Sheet
Zero Drift, Digitally Programmable Instrumentation Amplifier AD8231
FEATURES
Digitally, pin-programmable gain G = 1, 2, 4, 8, 16, 32, 64, or 128
Specified from 40°C to +125°C 50 nV, °C maximum input offset drift 10 ppm, °C maximum gain drift
Excellent dc performance 80 dB minimum CMR, G = 1 15 μV maximum input offset voltage 500 pA maximum bias current 0.7 μV p-p noise (0.1 H- to 10 Hz)
Good ac performance 2.7 MH- bandwidth, G = 1 1.1 V, μs slew rate
Rail-to-rail output Shutdown, multiplex Extra op amp Single-supply range: 3 V to 5 V Dual-supply range: ±1.5 V to ±2.5 V Qualified for automotive applications
APPLICATIONS
Pressure and strain transducers Thermocouples and RTDs Programmable instrumentation Industrial controls Weigh scales Automotive controls
GENERAL DESCRIPTION
The AD8231 is a low drift, rail-to-rail, instrumentation amplifier with software-programmable gains of 1, 2, 4, 8, 16, 32, 64, or 128. The gains are programmed via digital logic or pin strapping.
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