Product Overview

The AD623ARZ-R7 is an instrumentation amplifier from Analog Devices that offers rail-to-rail output, low power consumption, and single- or dual-supply operation. With a supply voltage range starting from 2.7 V (single supply) up to ±6 V (dual supply) and a gain programmable from 1 to 1000 via a single external resistor, this device is ideal for precision signal conditioning. The keywords for SEO include “AD623ARZ-R7 instrumentation amplifier”, “AD623ARZ-R7 SOIC-8”, and “AD623ARZ-R7 gain 1-1000”.

Key Features

• Wide supply voltage range – supports single supply from 2.7 V up to 12 V, or dual supply up to ±6 V.
• Rail-to-rail output – ensures maximum dynamic range even in low-voltage single-supply systems.
• Single-resistor gain programming – easy configuration with one external resistor for gains from 1 to 1000.
• High CMRR and low noise performance – typical bandwidth of ~800 kHz (G=1) enabling fast and accurate amplification.
• Low power, compact package, production ready – typical supply current ~375 µA, standard SOIC-8 package with tape & reel format.

Technical Specifications

Typical Applications

• In medical sensor interfaces, the AD623ARZ-R7 is used for low-power ECG or blood-pressure monitoring systems, delivering high gain and low noise signal conditioning.
• In industrial process control, this instrumentation amplifier handles bridge sensors (e.g., load cells, pressure transducers) in both single- and dual-supply configurations.
• In portable data acquisition devices, the rail-to-rail output and low power consumption of the AD623ARZ-R7 make it ideal for battery-powered portable modules.
• In thermocouple measurement and temperature monitoring systems, the AD623ARZ-R7 boosts very small voltage signals to suitable levels for ADCs while achieving high common-mode rejection.
• In differential signal amplification applications, the AD623ARZ-R7 converts two floating signals into a single-ended output, simplifying downstream processing.

Why Choose AD623ARZ-R7 ?

• With rail-to-rail output design, even low-voltage single-supply systems gain improved dynamic range.
• Flexible gain programming (1-1000) via a single resistor streamlines design and supports a wide variety of signal amplitudes.
• Offers high precision and low noise, e.g., typical input offset ~200 µV and input bias current ~25 nA, meeting demanding measurement requirements.
• Supports broad supply range (2.7 V to 12 V or ±6 V), enabling versatility across system architectures.
• Standard SOIC-8 package with tape & reel packaging suits high-volume SMT manufacturing with minimal hassles.

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