AD8572
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AD8572

Zero-Drift, Single-Supply, RRIO Dual Op Amp

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Part Details
Part Models 5
1ku List Price Starting From $2.52
Features
  • Low offset voltage: 1 μV
  • Input offset drift: 0.005 μV/°C
  • Rail-to-rail input and output swing
  • 5 V/2.7 V single-supply operation
  • High gain: 145 dB typical
  • CMRR: 140 dB typical
  • PSRR: 130 dB typical
  • See data sheet for additional information
Additional Details
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This family of amplifiers has ultralow offset, drift, and bias current. The AD8571, AD8572, and AD8574 are single, dual, and quad amplifiers, respectively, featuring rail-to-rail input and output swings. All are guaranteed to operate from 2.7 V to 5 V single supply.

The AD8571/AD8572/AD8574 provide benefits previously found only in expensive auto-zeroing or chopper-stabilized amplifiers. Using Analog Devices, Inc., topology, these zero-drift amplifiers combine low cost with high accuracy. (No external capacitors are required.) Using a patented spread-spectrum, auto-zero technique, the AD8571/AD8572/AD8574 eliminate the intermodulation effects from interaction of the chopping function with the signal frequency in ac applications.

With an offset voltage of only 1 μV and drift of 0.005 μV/°C, the AD8571/AD8572/AD8574 are perfectly suited for applications where error sources cannot be tolerated. Position and pressure sensors, medical equipment, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range. Many more systems require the rail-to-rail input and output swings provided by the AD8571/AD8572/AD8574.

Applications

  • Temperature sensors
  • Pressure sensors
  • Precision current sensing
  • Strain gage amplifiers
  • Medical instrumentation
  • Thermocouple amplifiers
  • Part Models 5
    1ku List Price Starting From $2.52

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    Documentation

    Documentation

    Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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    Product Lifecycle

    PCN

    Feb 11, 2011

    - 10_0005

    Halogen Free Material Change for TSSOP Products Assembled at Amkor

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    Feb 8, 2010

    - 04_0080

    Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

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    Filter by Model

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    PCN

    Feb 11, 2011

    - 10_0005

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    Halogen Free Material Change for TSSOP Products Assembled at Amkor

    AD8572ARUZ

    PRODUCTION

    AD8572ARUZ-REEL

    PRODUCTION

    Feb 8, 2010

    - 04_0080

    arrow down

    Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

    AD8572ARUZ

    PRODUCTION

    AD8572ARUZ-REEL

    PRODUCTION

    AD8572ARZ

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    PRODUCTION

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    Software & Part Ecosystem

    Software & Part Ecosystem

    Evaluation Kit

    Evaluation Kits 1

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    EVAL-OPAMP-2

    EVAL-OPAMP-2 Evaluation Board

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    EVAL-OPAMP-2

    EVAL-OPAMP-2 Evaluation Board

    EVAL-OPAMP-2 Evaluation Board

    Product Detail

    The universal precision op amp evaluation boards have been designed and optimized for many circuit configurations allowing the users to best suit their applications. These boards are all RoHs compliant. See references below on what board to order by lead count and package.

    • EVAL-PRAOPAMP-2CPZ (dual 8-lead LFCSP) CP-8
    • EVAL-PRAOPAMP-2RMZ (dual 8-lead MSOP) RM-8
    • EVAL-PRAOPAMP-2RZ (dual 8-lead SOIC) R-8

    Tools & Simulations

    Tools & Simulations 4

    LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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