AD8237 instrumentation amp touts power efficiency

Analog Devices Inc. (ADI) has unveiled the AD8237 micro-power, zero-drift precision instrumentation amplifier that according to the company offers a power-efficient solution for precision signal and sensor conditioning. The AD8237 features a low input offset drift (

With a low quiescent supply current of just over 100?A, the amplifier is engineered for signal conditioning bridge, temperature and other similar sensors used in low-power designs. Target applications for the AD8237 include portable and battery-powered healthcare, consumer and precision instrumentation equipment such as infusion pumps, mobile blood pressure monitors, 4-20mA sensors, gaming peripherals and consumer weigh scales.

The AD8237 operates off a single supply voltage of 1.8-5.5V and ships in a compact MSOP-8 package. In addition, it operates from -40°C to 125°C. The gain (1 to 1000) is set by the ratio of two external resistors, which combined with gain error performance, provides gain accuracy over temperature.

The device is available now for $0.93 each for every 1,000 units.