AD8421BRMZ-RL Description

The AD8421BRMZ-RL is a low-cost, low-power, low-noise, ultralow bias current, high-speed instrumentation amplifier that is ideally suited for a broad spectrum of signal conditioning and data acquisition applications. This AD8421BRMZ-RL features high CMRR, allowing the device to extract low-level signals in the presence of high-frequency common-mode noise over a wide temperature range. The AD8421BRMZ-RL has excellent distortion performance, making this device suitable for use in demanding applications such as vibration analysis

AD8421BRMZ-RL Features

Low power: 2.3 mA maximum quiescent current

Low noise

3.2 nV/√Hz maximum input voltage noise at 1 kHz

200 fA/√Hz typical current noise spectral density at 1 kHz

Inputs protected to 40 V from the opposite supply

±2.5 V to ±18 V dual supply (+5 V to +36 V single supply)

Gain set with a single resistor (gain = 1 to 10,000)

AD8421BRMZ-RL Applications

Medical instrumentation

Precision data acquisition

Microphone preamplification

Vibration analysis

Multiplexed input applications

ADC driver