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PCM4220: Trigger Start of ADC conversions

C J
Prodigy 30 points
Part Number: PCM4220


Hi,

I am using multiple PCM4220 ADCs and need to be able to trigger them so that their conversions happen at the same time.

Is this possible?

Thanks

  • 0
    TI__Mastermind 48445 points

    Hi CJ,

    Yes it is possible. PCM4220 can share the same FSYNC so that they sample at the same time. Subframe assignments can be used so that all channels are shared on the same DOUT bus. Figure 41 in the datasheet gives an example of this.

    Best regards,
    Jeff McPherson