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AD589

NOT RECOMMENDED FOR NEW DESIGNS

Two-Terminal IC 1.2 V Reference

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Overview

  • Superior Replacement for Other 1.2 V References
  • Wide Operating Range: 50 µA to 5 mA
  • Low Power: 60 µW Total PD at 50 µA
  • Low Temperature Coefficient:
    10 ppm/°C Max, 0°C to 70/°C (AD589M)
  • 2-Terminal Zener Operation
  • Low Output Impedance: 0.6 Ω
  • No Frequency Compensation Required
  • Low Cost
  • MIL-STD-883 Compliant Versions Available

The AD589 is a two-terminal, low cost, temperature compensated bandgap voltage reference which provides a fixed 1.23 V output voltage for input currents between 50 µA and 5.0 mA.

The high stability of the AD589 is primarily dependent upon the matching and thermal tracking of the on-chip components. Analog Devices' precision bipolar processing and thin-film technology combine to provide excelent performance at low cost.

Additionally, the active circuit produces an output impedance ten times lower than typical low-TC Zener diodes. This feature allows operation with no external components required to maintain full accuracy under changing load conditions.

The AD589 is available in seven versions. The AD589J, K, L and M grades are specified for 0°C to +70°C operation, while the S, T, and U grades are rated for the full -55°C to +125°C temperature range. All grades are available in a metal can (H-02A) package. The AD589J is also available in an 8-pin SOIC package.

AD589
Two-Terminal IC 1.2 V Reference
AD589 Pin Configuration
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Documentation

Data Sheet 1

Technical Articles 1

Frequently Asked Question 1

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Hardware Ecosystem

Parts Product Life Cycle Description
ADR512 PRODUCTION 1.2 V Precision Low Noise Shunt Voltage Reference
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