AD5421
FEATURES
GENERAL DESCRIPTION
16-bit resolution and monotonicity Pin selectable NAMUR-pliant ranges
4 m A to 20 m A 3.8 m A to 21 m A 3.2 m A to 24 m A NAMUR-pliant alarm currents Downscale alarm current = 3.2 m A Upscale alarm current = 22.8 m A/24 m A Total unadjusted error (TUE): 0.05% maximum INL error: 0.0035% FSR maximum Output TC: 3 ppm/°C typical Quiescent current: 300 μA maximum Flexible SPI-patible serial digital interface with Schmitt triggered inputs On-chip fault alerts via FAULT pin or alarm current Automatic readback of fault register on each write cycle Slew rate control function Gain and offset adjust registers On-chip reference TC: 4 ppm/°C maximum Selectable regulated voltage output Loop voltage range: 5.5 V to 52 V Temperature range:
- 40°C to +105°C TSSOP and LFCSP packages
APPLICATIONS
Industrial process control 4 m A to 20 m A loop-powered transmitters Smart transmitters HART network connectivity
The AD5421 is a plete, loop-powered, 4 m A to 20 m A digital-to-analog...
