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.
- Dynamic power control for thermal management.
- 12-bit performance.
- Quad channel.
- HART compliant.
- Process control
- Actuator Control
- HART Network Connectivity
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This designates products ADI does not recommend broadly for new designs.
The EVAL-AD5757SDZ is no longer available to order. The AD5755-1 Evaluation Board is the recommended replacement.
The Evaluation board for the AD5757 contains a SDP connection and software allowing the AD5757 to be controlled from a SDP board.
Recommended Digital Isolators
Recommended External 5V References
Recommended Low Power Hart Modem
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.
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