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MX581
High-Precision, 10V Reference

Recommended Upgrades for New Designs
Part Number Replacement Explanation
MX581 MAX6176 This product is no longer available.
MX581JCSA MAX6176
MX581JCSA+ MAX6176
MX581JH MAX6176
MX581KCSA MAX6176
MX581KCSA+ MAX6176
MX581KH MAX6176
MX581SH MAX6176
MX581SH/883B MAX6176
MX581TH MAX6176
MX581TH/883B MAX6176


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Description
FULL DATA SHEET (PDF, 136kB)
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Maxim's MX581 is a three-terminal, temperaturecompensated, bandgap voltage reference which provides a precision 10V output from an unregulated input of 12.5V to 30V. Laser trimming is used to minimize initial error and temperature drift, to as low as 10mV and 15ppm/°C with the MX581.

No external components are needed to achieve full accuracy over the operating temperature range. Total supply current to the device, including the internal output buffer amplifier is typically 750µA.

The MX581 is designed for use with 8- to 14-bit ADCs and DACs as well as data acquisition systems. The reference is available in a 3-pin T0-39 metal can and an 8-pin SO surface-mount package.

Key Features   Applications/Uses
  • ±10mV Tolerance (MX581K)
  • Low Tempco—15ppm/°C max (MAX581K)
  • No External Components or Trims
  • Short-Circuit Proof
  • Output Sources and Sinks Current
  • 10mA Output Current
  • Low-Supply Current—1.0mA (max)
  • Three-Terminal Package

 
  • A/D Converter Reference
  • CMOS DAC Reference
  • Measurement Instrumentation
  • Precision Analog Systems
  • Threshold Detectors

    Diagram
    Typical Operating Circuit

    Pin Configuration

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    Document Ref.: 19-1114; Rev 2; 2005-01-10
    This page last modified: 2007-05-31



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