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AD5750-2:  Industrial Current/Voltage Output Driver with Programmable Ranges

Product Details

Product Status:Recommended for New Designs

The AD5750/AD5750-1/AD5750-2 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/AD5750-2 target applications in PLC and industrial process control. The analog input to the AD5750/ AD5750-1/AD5750-2 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/AD5750-2) 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, 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 devices are 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 operate in 3-wire mode to minimize the digital isolation required in isolated applications. The interface also features an optional PEC feature using CRC-8 error checking, useful in industrial environments where data communication corruption can occur.

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

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

APPLICATIONS

  • Process controls
  • Actuator controls
  • PLCs

FEATURES and BENEFITS

  • Current output ranges:
    4 mA to 20 mA, 0 mA to 20 mA, 0 mA to 24 mA,
    ±20 mA, and ±24 mA
      ±0.03% full-scale range (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
  • Packet error checking (PEC)
  • 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%)
  • See data sheet for additional features

Functional Block Diagram for AD5750-2

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD5750 IBIS Model  (ibs) IBIS Models IBS

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Recommended External References for the AD5750-2

  • For low power, low cost, mid-end systems, we recommend the ADR392 or the ADR364.
  • For low noise, high accuracy, high-end systems, we recommend the ADR434.
Recommended D/A Converters for the AD5750-2
  • For low power, single supply, small package, we recommend the AD5660 family or the AD5060 family of 0V to 4.096V output DAC's.
Recommended Digital Isolators for the AD5750-2
  • For a 4-channel isolated interface in process control applications, we recommend the ADuM1400.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price Table Help

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.


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