AD5757

Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity
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Product Details

The AD5757 is a quad, 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 regulat-ing 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 AD5757.

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

Product Highlights

  1. Dynamic power control for thermal management.
  2. 16-bit performance.
  3. Multichannel.
  4. HART Compliant.

Applications

  • Process control
  • Actuator Control
  • PLC’s
  • HART Network Connectivity

Product Lifecycle

cross Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Evaluation Kits

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Product Recommendations

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AD5757 Companion parts

Recommended Digital Isolators

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

Recommended External 5V References

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

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.

AD5757 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

Sample & Buy

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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.