The AD5420AREZ is a 1-channel 16-bit Serial Input Current Source DAC offering a programmable current source output designed to meet the requirements of industrial process control applications. The output current range is programmable at 4 to 20mA, 0 to 20mA or an over range function of 0mA to 24mA. The output is open-circuit protected. The device operates with a power supply (AVDD) range from 10.8V to 60V. Output loop compliance is 0V to AVDD - 2.5V. The flexible serial interface is SPI, MICROWIRE™, QSPI™ and DSP compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications. The device also includes a power-on reset function, ensuring that the device powers up in a known state and an asynchronous clear pin that sets the output to the low end of the selected current range. The total unadjusted error is typically ±0.01% FSR.
● ±0.01% FSR typical total unadjusted error (TUE)
● ±3ppm/°C typical output drift
● Flexible serial digital interface
● On-chip output fault detection
● On-chip reference (10ppm/°C maximum)
● Feedback/monitoring of output current
● Asynchronous clear function
●ESD sensitive device, take proper precaution while handling the device.
