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AD5420:  SINGLE-CHANNEL, 12-/16-BIT, SERIAL INPUT, 4 MA TO 20 MA, CURRENT SOURCE DAC

The AD5410/AD5420 are low cost, precision, fully integrated 12-/16-bit converters offering a programmable current source output designed to meet the requirements of industrial process control applications. The output current range is programmable at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of 0 mA to 24 mA. The output is open-circuit protected. The device operates with a power supply ...More

AD5420:  Single-Channel, 12-/16-Bit, Serial Input, 4 mA to 20 mA, Current Source DAC

Product Description

The AD5410/AD5420 are low cost, precision, fully integrated 12-/16-bit converters offering a programmable current source output designed to meet the requirements of industrial process control applications. The output current range is programmable at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of 0 mA to 24 mA. The output is open-circuit protected. The device operates with a power supply (AVDD) range from 10.8 V to 60 V. Output loop compliance is 0 V to AVDD − 2.5 V.

The flexible serial interface is SPI, MICROWIRE™, QSPI™, and DSP compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications.

The device also includes a power-on reset function, ensuring that the device powers up in a known state, and an asynchronous CLEAR pin that sets the output to the low end of the selected current range.

The total unadjusted error is typically ±0.01% FSR.

Applications

  • Process Control
  • Actuator Control
  • PLC

    • Data Sheet, Rev. A, 9/09

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    EVALUATION BOARDS & DEVELOPMENT KITS

    • 12-/16-bit resolution and monotonicity
    • Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, or
      0 mA to 24 mA
      ±0.01% FSR typical total unadjusted error (TUE)
      ±3 ppm/°C typical output drift
    • Flexible serial digital interface
    • On-chip output fault detection
    • On-chip reference (10 ppm/°C maximum)
    • Asynchronous clear function
    • Power supply (AVDD) range
      10.8 V to 40 V; AD5410AREZ/AD5420AREZ
      10.8 V to 60 V; AD5410ACPZ/AD5420ACPZ
    • Output loop compliance to AVDD − 2.5 V
    • Temperature range: −40°C to +85°C
    • 24-lead TSSOP and 40-Lead LFCSP packages

    AD5420 Functional Block Diagram

    Circuits from the Lab

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    Pricing, Packaging & Availability

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    Package Description
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    For detailed drawings and chemical composition please consult our  Package Site

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    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
    Price
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    Production Availability
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    Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

    View PCN
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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.