PCM5102A-Q1: Power On Reset Threshold Voltage and Required Low Duration

Hello Ken,

I do not think that the 2.8V should be considered the threshold for the device to enter reset. Figure 41 and 42 in the PCM5102A datasheet are meant to show when the device will leave the internal reset state during power on (ie supply starts at 0V). If the supply were to drop to a lower voltage, let's say 2.5V, I do not think we could guarantee a reset even - even if that voltage was sustained at 2.5V for a long time.

The best way to ensure a reset for the device would be set XSMT to GND and then lower the AVDD/DVDD/CPVDD supply to as low a value as possible, ideally 0V, but likely <1.2V would suffice.

Thanks!
Paul