GENERAL DESCRIPTION
●The AD8638/AD8639 are single and dual wide bandwidth, auto-zero amplifiers featuring rail-to-rail output swing and low noise. These amplifiers have very low offset, drift, and bias current. Operation is fully specified from 5 V to 16 V single supply (±2.5 V to ±8 V dual supply).
●FEATURES
●Low offset voltage: 9 μV maximum
●Offset drift: 0.04 μV/°C maximum
●Rail-to-rail output swing
●5 V to 16 V single-supply or ±2.5 V to ±8 V dual-supply
●operation
●High gain: 136 dB typical
●High CMRR: 133 dB typical
●High PSRR: 143 dB typical
●Very low input bias current: 40 pA maximum
●Low supply current: 1.3 mA maximum
