GENERAL DESCRIPTION

The AD8225 is an instrumentation amplifier with a fixed gain of 5, which sets new standards of performance. The superior CMRR of the AD8225 enables rejection of high frequency common-mode voltage (80 dB Min @ 10 kHz). As a result, higher ambient levels of noise from utility lines, industrial equipment, and other radiating sources are rejected. Extended CMV range enables the AD8225 to extract low level differential signals in the presence of high common-mode dc voltage levels even at low supply voltages.

FEATURES

No External Components Required

Highly Stable, Factory Trimmed Gain of 5

Low Power, 1.2 mA Max Supply Current

Wide Power Supply Range (±1.7 V to ±18 V)

Single- and Dual-Supply Operation

Excellent Dynamic Performance

High CMRR

86 dB Min @ DC

80 dB Min to 10 kHz

Wide Bandwidth

900 kHz

4 V to 36 V Single Supply

High Slew Rate

5 V/μs Min

Outstanding DC Precision

Low Gain Drift

5 ppm/°C Max

Low Input Offset Voltage

150 μV Max

Low Offset Drift

2 μV/°C Max

Low Input Bias Current

1.2 nA Max

APPLICATIONS

Patient Monitors

Current Transmitters

Multiplexed Systems

4 to 20 mA Converters

Bridge Transducers

Sensor Signal Conditioning