GENERAL DESCRIPTION

The ADA4638-1 is a high voltage, high precision, zero-drift amplifier featuring rail-to-rail output swing. It is guaranteed to operate from 4.5 V to 30 V single supply or ±2.25 V to ±15 V dual supplies while consuming less than 0.95 mA of supply current at ±5 V.

FEATURES

Single supply operation: 4.5 V to 30 V

Dual supply operation: ±2.25 V to ±15 V

Low offset voltage: 4 μV maximum

Input offset voltage drift: 0.05 μV/°C maximum

High gain: 130 dB minimum

High PSRR: 120 dB minimum

High CMRR: 130 dB minimum

Input common-mode range includes lower supply rail

Rail-to-rail output

Low supply current: 0.95 mA maximum

APPLICATIONS

Electronic weigh scale

Pressure and position sensors

Strain gage amplifiers

Medical instrumentation

Thermocouple amplifiers