GENERAL DESCRIPTION

The AD5748 is a single-channel, low cost, precision, voltage/current output driver with hardware or software programmable output ranges. The software ranges are configured via an SPI-/MICROWIRE™-compatible serial interface. The AD5748 targets applications in PLC and industrial process control. The analog input to the AD5748 is provided from a low voltage, single-supply, digital-to-analog converter (DAC) and is internally conditioned to provide the desired output current/voltage range. The analog input range is 0 V to 4.096 V.

FEATURES

Current output ranges: 4 mA to 21 mA, 0 mA to 21 mA

±0.15 FSR total unadjusted error (TUE)

±5 ppm/°C FSR typical output drift

Voltage output ranges: 0 V to 5 V, 0 V to 10.5 V, ±10.5 V

±0.05 FSR total unadjusted error (TUE)

±3 ppm/°C FSR output drift

Flexible serial digital interface

On-chip output fault detection

PEC error checking

Asynchronous CLEAR function

Flexible power-up condition to 0 V or tristate

Power supply range

AVDD: +12 V (± 10) to +24 V (± 10)

AVSS: −12 V (± 10) to −24 V (± 10)

Output loop compliance to AVDD − 2.75 V

Temperature range: −40°C to +105°C

32-lead, 5 mm × 5 mm LFCSP package

APPLICATIONS

Process control

Actuator control

PLCs