Overview
The AD5737ACPZ-RL7, produced by Analog Devices Inc., is a quad-channel current output digital-to-analog converter (DAC) designed for industrial applications. This device operates with a power supply range from 10.8 V to 33 V and features on-chip dynamic power control to minimize package power dissipation. The AD5737 uses a versatile 3-wire serial interface compatible with standard SPI, QSPI, MICROWIRE, DSP, and microcontroller interface standards, supporting clock rates up to 30 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Range | 10.8 V | 33 V | V | ||
| Digital Supply Voltage | 2.7 V | 5.5 V | V | ||
| Output Current Range | 0 mA | 24 mA | mA | ||
| Resolution | 12 Bits | ||||
| Temperature Range | -40°C | +105°C | °C | ||
| Serial Interface Clock Rate | 30 MHz | Hz |
Key Features
- User-programmable offset and gain
- On-chip diagnostics
- On-chip reference with ±10 ppm/°C maximum temperature coefficient
- Dynamic power control using a dc-to-dc boost converter
- Support for HART network connectivity with dedicated CHART pins for each channel
- 3-wire serial interface with optional CRC-8 packet error checking and watchdog timer
- LDAC pin for simultaneous update of all analog outputs
Applications
- Process control
- Actuator control
- Programmable Logic Controllers (PLCs)
- HART network connectivity
Q & A
- What is the power supply range of the AD5737?
The AD5737 operates with a power supply range from 10.8 V to 33 V. - What is the resolution of the AD5737 DAC?
The AD5737 has a resolution of 12 bits. - What is the temperature range of the AD5737?
The AD5737 operates within a temperature range of -40°C to +105°C. - What type of serial interface does the AD5737 use?
The AD5737 uses a 3-wire serial interface compatible with standard SPI, QSPI, MICROWIRE, DSP, and microcontroller interface standards. - What is the maximum clock rate of the serial interface?
The serial interface supports clock rates up to 30 MHz. - Does the AD5737 support HART network connectivity?
Yes, the AD5737 supports HART network connectivity with dedicated CHART pins for each channel. - What is the purpose of the LDAC pin?
The LDAC pin is used to update the DAC register and can be used to update all analog outputs simultaneously. - What is the output current range of the AD5737?
The output current range of the AD5737 is from 0 mA to 24 mA. - Does the AD5737 have on-chip diagnostics?
Yes, the AD5737 includes on-chip diagnostics. - What is the purpose of the dynamic power control in the AD5737?
The dynamic power control minimizes package power dissipation by regulating the voltage on the output driver using a dc-to-dc boost converter.
