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Active: In Production.

Description

FULL DATA SHEET (PDF, 216kB) Download   E-Mail The DS4422 and DS4424 contain two or four 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.

Key Features		Applications/Uses
Two (DS4422) or Four (DS4424) 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 Two Address Input Pins Allow Four Devices on Same I²C Bus Low Cost Small Package (14-Pin, 3mm x 3mm TDFN) -40°C to +85°C Temperature Range 2.7V to 5.5V Operating Range		Adjustable Current Sink or Source Power-Supply Adjustment Power-Supply Margining

Diagram

Typical Operating Circuit

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