DAC AD5755-1 Sink mode support

Does the DAC AD5755-1 support mA output in Sink mode? or what would be the equivalent part which supports sink mode output?

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  • Hi Sabapathy K,

    The AD5755-1 does not have current sinking capability. A discrete circuitry should be added. I don’t have a design at hand but it would likely take a large amount of area for 4 channels. You may want to look at the AD5750 for single channel option. However, please note that the AD5750 needs an analog input so you will need a quad channel DAC for four channels of your application. I would recommend the AD5064 for the input requirement of the AD5750. A sample system configuration for the AD5750 is shown below.

    Regards,

    Mark

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  • Hi Sabapathy K,

    The AD5755-1 does not have current sinking capability. A discrete circuitry should be added. I don’t have a design at hand but it would likely take a large amount of area for 4 channels. You may want to look at the AD5750 for single channel option. However, please note that the AD5750 needs an analog input so you will need a quad channel DAC for four channels of your application. I would recommend the AD5064 for the input requirement of the AD5750. A sample system configuration for the AD5750 is shown below.

    Regards,

    Mark

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