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AD5750-1:  INDUSTRIAL CURRENT/VOLTAGE OUTPUT DRIVER WITH PROGRAMMABLE RANGES

The AD5750/AD5750-1 are single-channel, low cost, precision voltage/current output drivers with hardware- or software- programmable output ranges. The software ranges are configured via an SPI-/MICROWIRE™-compatible serial interface. The AD5750/AD5750-1 target applications in PLC and industrial process control. The analog input to the AD5750/AD5750-1 is provided from a low voltage, single-supply ...More

AD5750-1:  INDUSTRIAL CURRENT/VOLTAGE OUTPUT DRIVER WITH PROGRAMMABLE RANGES

Product Description

The AD5750/AD5750-1 are single-channel, low cost, precision voltage/current output drivers with hardware- or software- programmable output ranges. The software ranges are configured via an SPI-/MICROWIRE™-compatible serial interface. The AD5750/AD5750-1 target applications in PLC and industrial process control. The analog input to the AD5750/AD5750-1 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. Analog input ranges available are 0 V to 2.5 V (AD5750-1) or 0 V to 4.096 V (AD5750).

The output current range is programmable across five current ranges: 4 mA to 20 mA, 0 mA to 20 mA or 0 mA to 24 mA, ±20 mA, and ±24 mA. An overrange of 2% is available on the unipolar current ranges.

Voltage output is provided from a separate pin that can be configured to provide 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V output ranges. An overrange of 20% 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 ±12 V to ±24 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

    • RESOURCES & TOOLS

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

    Functional Block Diagram for AD5750-1

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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.