Overview

Features and Benefits

  • Supply voltage range: 4.5 V to 36 V
  • Offset voltage: ±4 µV maximum at 5 V
  • Offset voltage drift: 0.01 µV/°C maximum at 5 V
  • Input noise
    • Voltage: 88 nV p-p from 0.1 Hz to 10 Hz typical
    • Spectral density voltage: 4.2 nV/√Hz typical at 1 kHz
  • Rail-to-rail output
  • Unity-gain stable
  • GBP: 5 MHz typical
  • Slew rate: 1.8 V/µs typical falling
  • PSRR: 168 dB typical at VS = 4.5 V to 36 V
  • Open-loop voltage gain: 160 dB typical at VOUT = −14.75 V to +14.75 V, RL = 10 k?, VS = 30 V
  • CMRR: 160 dB typical at VCM = −15.1 V to +13.5 V,VS= 30V
  • Integrated EMI filters
  • Shutdown mode
  • Ground sense
  • Available in 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP

Product Details

The ADA4523-1 is a high voltage, low noise, zero drift op amp that offers precision dc performance over a wide supply range of 4.5 V to 36 V. Offset voltage and 1/f noise are suppressed, allowing this op amp to achieve a maximum offset voltage of ±4 µV and a 0.1 Hz to 10 Hz input noise voltage of 88 nV p-p typical.The self calibrating circuitry of the ADA4523-1 results in low offset voltage drift with temperature (0.01 µV/°C maximum) and zero drift over time. Additionally, the ADA4523-1 uses on-chip filtering to achieve high immunity to electromagnetic interference (EMI).

Wide supply range, combined with low noise, low offset, 168 dB power supply rejection ratio (PSRR), and 160 dB common-mode rejection ratio (CMRR), make the ADA4523-1 well suited for high dynamic range test, measurement, and instrumentation systems. 

Applications

  • High resolution data acquisition
  • Reference buffering
  • Test and measurement
  • Electronic scales
  • Thermocouple amplifiers
  • Strain gages
  • Low-side current sense

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Tools & Simulations

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Models for the following parts are available in LTspice:

ADA4523-1

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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Evaluation Boards Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.