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Using AD5932 duty cycle is not 50% on the MSBOUT.

Category: Hardware
Product Number: AD5932

Using AD5932, MCLK is 16.0MHz, and the DDS output is 2MHz, We are seeing the duty cycle is not 50% on the MSBOUT.  We estimate 35% duty cycle. We are using DEC 2097152 as the FTW. We need 50% duty cycle on the MSBOUT pin. Are we missing something?