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AD9834 - is it possible to get Vout=0V

Question asked by ErichNast on Jan 7, 2016
Latest reply on Jan 8, 2016 by ErichNast

I would like to use a DDS as a waveform generator with following specs

Output Frequency : 0-15kHz

Voltage Range of output : 0 - 20V

Output Voltage Resolution : 0.393mV

I am looking at the AD9834 I see that the min output voltage is 30mV (across 200ohm resistor) and max is 0.6V I think the max voltage is OK as I can easily scale this. The min voltage of 30mV looks problematic as I need to somehow get the min output voltage to 0V, or as close to it as possible.

Is there some way I can get the output current / voltage down to ZERO?