19-4641; Rev 3; 5/09 DS4402/DS4404 + Two/Four-Channel, I2C Adjustable Current DAC General Description The DS4402 and DS4404 contain two and four I2C adjustable current DACs, respectively, that are each capable of sinking or sourcing current.
Each output has 31 sink and 31 source settings that are programmed by the I2C interface.
External resistors set the full-scale range and step size of each output.
Applications Power-Supply Adjustment Power-Supply Margining Adjustable Current Sink or Source Pin Configuration Features ♦ Two (DS4402) or Four (DS4404) Current DACs ♦ Full-Scale Range for Each DAC Determined by External Resistors ♦ 31 Settings Each for Sink and Source Modes ♦ I2C-Compatibl...

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