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AD623ANZ

ADIAD623ANZ

Analog Devices Inc.
Instrumentation Amplifier 1 Circuit Rail-to-Rail 8-PDIP
Active3,331 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The AD623ANZ is a low-cost, high-accuracy instrumentation amplifier that delivers rail-to-rail output swing on a single supply from 3V to 12V. It is uniquely designed to allow the input voltage range to extend 150mV below ground, making it ideal for precision signal conditioning in single-supply systems.

Why Choose This Part

The device simplifies design by requiring only one external resistor to set gain from 1 to 1000. It features a low supply current of 375uA (typical) and high accuracy DC performance, making it suitable for battery-powered precision applications.

Applications

Transducer Interface
Amplifying small differential signals from pressure sensors, strain gages, and RTDs in industrial environments.
Medical Instrumentation
Used in ECG and non-invasive blood pressure monitors due to its low power consumption and high CMRR.
Data Acquisition
Providing precision front-end amplification for analog-to-digital converters in portable equipment.
Precision Voltage-to-Current Conversion
Creating stable current loops for industrial process control signaling.

Key Specifications

Slew Rate 0.3V/us
Output Type Rail-to-Rail
Mounting Type Through Hole
-3db Bandwidth 800 kHz
Amplifier Type Instrumentation
Package / Case 8-DIP (0.300", 7.62mm)
Current - Supply 375uA
Number of Circuits 1
Current - Input Bias 17 nA
Operating Temperature -40degC ~ 85degC
Voltage - Input Offset 25 uV
Supplier Device Package 8-PDIP
Voltage - Supply Span (Max) 12 V
Voltage - Supply Span (Min) 2.7 V

Getting Started

To set the gain, connect a single external resistor across pins 1 and 8 following the formula G = 1 + (100k / Rg). For prototyping, the 8-PDIP package is breadboard-compatible, and the output should be referenced to the REF pin (pin 5) to establish the output swing center point.

AD623 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
AD623ANZ (this part) DIP-8 3,331
AD623ARZ SOIC-8 12,708

Also Consider

AD620ANZ ADIAnalog Devices Inc. - The industry standard for higher precision and lower noise, though it requires a dual supply for full input range.
INA826AIDR TITexas Instruments - Offers a wider supply range and higher bandwidth in a modern surface-mount package.

Categories

Analog ICs > Instrumentation Amplifiers Industrial & Automation > Industrial Sensors & Instrumentation