AD8421ARZ Datasheet PDF - ADI

●The AD8421ARZ is a high speed Instrumentation Amplifier, ideally suited for a broad spectrum of signal conditioning and data acquisition applications. This features extremely high CMRR, allowing it to extract low level signals in the presence of high frequency common-mode noise over a wide temperature range. It has excellent distortion performance, making it suitable for use in demanding applications such as vibration analysis. It delivers 3nV/√Hz input voltage noise and 200fA/√Hz current noise with only 2mA quiescent current, making it an ideal choice for measuring low level signals. For applications with high source impedance, this employs innovative process technology and design techniques to provide noise performance that is limited only by the sensor. Uses unique protection method to ensure robust inputs while still maintaining very low noise. This protection allows input voltages up to 40V from the opposite supply rail without damage to the part.

● Low power

● 2.3mA Maximum supply current

● Extremely low noise

● Ultralow bias current

● Excellent AC specifications

● High precision DC performance

● 500pA Maximum input bias current

● Inputs protected to 40V from opposite supply

● Gain set with single resistor

●Product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD.