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AD5748:  Industrial Current/Voltage Output Driver with Programmable Ranges

Product Status:Recommended for New Designs
Data
Sheet
AD5748 Data Sheet Rev A, 05/2010 (pdf 628kB)

Product Details

Product Status:Recommended for New Designs
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The AD5748 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 AD5748 targets applications in PLC and industrial process control. The analog input to the AD5748 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 analog input range is 0 V to 4.096 V.

The output current range is programmable across two current ranges: 4 mA to 21 mA and 0 mA to 21 mA.

Voltage output is provided from a separate pin that can be configured to provide 0 V to 5 V, 0 V to 10.5 V, or ±10.5 V output range.

Analog outputs are short-circuit and open-circuit protected and can drive capacitive loads of 2 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 a 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.

Note that the plots in the Typical Performance Characteristics section of this data sheet contain information on the standard ranges, as released in the AD5750/AD5750-1 data sheet. Although the overranges have been tested, new plots were not generated and substitution data was used for plotting purposes.

Applications

  • Process control
  • Actuator control
  • PLCs

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FEATURES and BENEFITS

  • Current output ranges: 4 mA to 21 mA, 0 mA to 21 mA
    ±0.15% FSR total unadjusted error (TUE)
    ±5 ppm/°C FSR typical output drift
  • Voltage output ranges: 0 V to 5 V, 0 V to 10.5 V, ±10.5 V
    ±0.05% FSR total unadjusted error (TUE)
    ±3 ppm/°C FSR 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 AD5748

AD5748 Diagram
Typical Applications and Other Diagrams

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Of Note ...

For 4mA to 20mA current output only products see AD5749 and for other voltage and current outputs products see AD5750/AD5751/AD5750-1.

Documentation

Title Content Type File Type
AD5748: Industrial Current/Voltage Output Driver with Programmable Ranges Data Sheet (Rev A, 05/2010) (pdf, 628 kB) Data Sheets PDF
Amplifier ICs Solutions Bulletins HTML
Industrial ICs
Industrial ICs Solutions Bulletin, Volume 10, Issue 8 		Solutions Bulletins HTML
Programmable Current and Voltage Output Drivers  (pdf, 1369 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

Companion Products

Suggested Companion Products


Recommended External References for the AD5748

  • For low power, low cost, small package, we recommend the ADR392 or the ADR364.
Recommended Digital Isolators for the AD5748
  • For a 4-channel isolated interface in process control applications, we recommend the ADuM1400.
Recommended DAC's for the AD5748
  • For low voltage, single-supply nanoDAC converters, we recommend the AD5662, AD5664 or the AD5668.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD5748 Model Options
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.

AD5750 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-AD5750EBZ Status: Production Evaluation Board $99.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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