General Description

The DS4432 contains two I2C programmable current DACs that are each capable of sinking and sourcing current up to 200µA. Each DAC output has 127 sink and 127 source settings that are programmed using the I2C interface. The current DAC outputs power up in a high-impedance state.

Features

♦ Two Current DACs

♦ Full-Scale Current 50µA to 200µA

♦ Full-Scale Range for Each DAC Determined by External Resistors

♦ 127 Settings Each for Sink and Source Modes

♦ I2C-Compatible Serial Interface

♦ Low Cost

♦ Small Package (8-Pin µSOP)

♦ -40°C to +85°C Temperature Range

♦ 2.7V to 5.5V Operating Range

Applications

    Power-Supply Adjustment

    Power-Supply Margining

    Adjustable Current Sink or Source