AD5737

Quad Channel, 12-Bit, Serial Input, 4-20mA Output DAC with Dynamic Power Control and HART Connectivity
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Product Details

The AD5737 is a quad-channel current output DAC that operates with a power supply range from 10.8 V to 33 V. On-chip dynamic power control minimizes package power dissipation by regulating the voltage on the output driver from 7.4 V to 29.5 V using a dc-to-dc boost converter optimized for minimum on-chip power dissipation.

Each channel has a corresponding CHART pin so that HART signals can be coupled onto the current output of the AD5737.

The AD5737 uses a versatile 3-wire serial interface that operates at clock rates of up to 30 MHz and is compatible with standard SPI, QSPI™, MICROWIRE®, DSP, and microcontroller interface standards. The serial interface also features optional CRC-8 packet error checking, as well as a watchdog timer that monitors activity on the interface.

For a 16 bit equivalent solution, look at the AD5757. For a voltage and current configurable version, see the AD5755, AD5755-1 or AD5735.

Product Highlights

  1. Dynamic power control for thermal management.
  2. 12-bit performance.
  3. Quad channel.
  4. HART compliant.

Applications

  • Process control
  • Actuator Control
  • PLCs
  • HART Network Connectivity

Product Lifecycle

checked Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits

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Software & Systems Requirements

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Product Recommendations

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AD5737 Companion Parts

Recommended Digital Isolators

  • For higher data rates: dc to 90 Mbps , we recommend the ADUM1400 .
  • For a low cost, quad channel, up to 10 Mbps data rate , we recommend the ADUM1410 or the ADUM1411 .

Recommended External 5V References

  • For precision, low cost, wide supply, small package , we recommend the ADR02 .
  • For high accuracy, low noise, low temperature drift , we recommend the ADR435 or the ADR445 .

Recommended Low Power Hart Modem

  • For a Hart-compliant fully integrated FSK modem , we recommend the AD5700 or the AD5700-1 .

Recommended Switching DC-DC Regulators

  • For a high voltage, buck regulator with integrated power MOSFET , we recommend the ADP2302 or the ADP2303 .

Design Resources

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

AD5737 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

Reviews

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Most Helpful Review

by Anonymous
The AD5737 is used for a moisture sensor. Wa use it to provide 4-20mA outputs for legacy applications. As the product is very small and has to work at elevated temperatures having a low-loss solution is crucial.

All Reviews

by Anonymous, 8 Dec 12
Exactly what I needed for my design
The AD5737 is used for a moisture sensor. Wa use it to provide 4-20mA outputs for legacy applications. As the product is very small and has to work at elevated temperatures having a low-loss solution is crucial.
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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.


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Evaluation Boards Pricing displayed is based on 1-piece.
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.