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MAX872, MAX874
10µA, Low-Dropout, Precision Voltage Reference


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Status
Part Number Status Replacement
MAX872 This product is No Longer Available. See Ordering Information for recommended replacements. MAX6029
MAX874 This product is No Longer Available. See Ordering Information for recommended replacements. MAX6029

Description
FULL DATA SHEET (PDF, 132kB)
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The MAX872/MAX874 precision 2.5V and 4.096V micro-power voltage references consume a maximum of only 10µA and operate from supply voltages up to 20V. The combination of ultra-low quiescent current and low 200mV dropout makes them ideal for battery-powered equipment. They source and sink up to 500µA with only 200mV input voltage headroom, which makes the 2.5V MAX872 ideal for use with a 3V supply and the 4.096V MAX874 ideal for use with a 5V supply.

Initial accuracy of 0.2% at +25°C (±5mV for the MAX872, ±8mV for the MAX874) and low 40ppm/°C max drift make these references suitable for a wide range of precision applications.

Key Features   Applications/Uses
  • Output Voltage
    • 2.500V ±0.2% (MAX872)
    • 4.096V ±0.2% (MAX874)
  • Wide Operating Voltage Range
    • 2.7V to 20V (MAX872)
    • 4.3V to 20V (MAX874)
  • 10µA Max Supply Current
  • 40ppm/°C Max Drift Over Extended Temp. Range
  • Line Regulation Over Temp.
    • 20µV/V (MAX872)
    • 75µV/V (MAX874)
  • Load Regulation Over Temp.
    • 0.6mV/mA Max (MAX872)
    • 1.0mV/mA Max (MAX874)
  • ±500µA Sink/Source Current

 
  • Battery-Powered Applications
  • Handheld Instruments (PDAs, Palmtops)
  • Power Supplies

    Diagram
    MAX872, MAX874: Typical Operating Circuit
    Typical Operating Circuit

    MAX872, MAX874: Pin Configuration
    Pin Configuration

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    Document Ref.: 19-0005; Rev 2; 1997-06-01
    This page last modified: 2007-07-18


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