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AD5751:  Industrial I/V Output Driver, Single Supply, 60v Compliance, Programmable Ranges

The AD5751 is a single-channel, low cost, precision, voltage/ current output driver with hardware or software programmable output ranges. The software ranges are configured via an SPI-/ MICROWIRE™-compatible serial interface. The AD5751 targets applications in PLC and industrial process control. The analog input to the AD5751 is provided from a low voltage, single-supply digital-to-analog ...More

AD5751:  Industrial I/V Output Driver, Single Supply, 60v Compliance, Programmable Ranges

Product Description

The AD5751 is a single-channel, low cost, precision, voltage/ current output driver with hardware or software programmable output ranges. The software ranges are configured via an SPI-/ MICROWIRE™-compatible serial interface. The AD5751 targets applications in PLC and industrial process control. The analog input to the AD5751 is provided from a low voltage, single-supply digital-to-analog converter (DAC) and is internally conditioned to provide the desired output current/voltage range.

The output current range is programmable across three current ranges: 0 mA to 20 mA, 0 mA to 24 mA, or 4 mA to 20 mA.

Voltage output is provided from a separate pin that can be configured to provide 0 V to 5 V, 0 V to 10 V, and 0 V to 40 V output ranges. An overrange is available on the voltage ranges.

Analog outputs are short-circuit and open-circuit protected and can drive capacitive loads of 1 μF and inductive loads of 0.1 H.

The device is specified to operate with a power supply range from 10.8 V to 55 V. Output loop compliance is 0 V to AVDD − 2.75 V.

The flexible serial interface is SPI and MICROWIRE compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications. The interface also features an optional PEC error checking feature using CRC-8 error checking, useful in industrial environments where data communication corruption can occur.

The device also includes a power-on reset function ensuring that the device powers up in a known state (0 V or tristate) and an asynchronous CLEAR pin that sets the outputs to zero- scale/midscale voltage output or the low end of the selected current range.

An HW SELECT pin is used to configure the part for hardware or software mode on power-up.

Applications

  • Process control
  • Actuator control
  • PLCs

    • Data Sheet, Rev. 0 11/09

    RESOURCES & TOOLS

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    • Current output ranges: 0 mA to 20 mA, 0 mA to 24 mA,
      or 4 mA to 20 mA
      ±0.03% FSR typical total unadjusted error (TUE)
      ±5 ppm/°C typical output drift
      2% overrange
    • Voltage output ranges: 0 V to 5 V, 0 V to 10 V, 0 V to 40 V
      ±0.02% FSR typical total unadjusted error (TUE)
      ±3 ppm/°C typical output drift
    • Overrange capability on all ranges
    • Flexible serial digital interface
    • On-chip output fault detection
    • PEC error checking
    • Asynchronous CLEAR function
    • Power supply range
      AVDD: 12 V (± 10%) to 55 V (maximum)
    • Output loop compliance to AVDD − 2.75 V
    • Temperature range: −40°C to +105°C
    • 32-lead 5 mm × 5 mm LFCSP package

    AD5751 Functional Block Diagram

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.