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TLV320ADC3101: TLV320ADC3101 process mode of internal ADC

Part Number: TLV320ADC3101

Dears

Ask a quesion of TLV320ADC3101, it intergrated two ADCs,but it can sopport 3 Analog Audio input " By selecting to turn on only one set of switches per operational amplifier at a time, the inputs can be effectively multiplexed to each ADC PGA channel" shows in P28 of datasheet.

My Question  is : Is this 3 input signal transmitted synchronously? 

  • Hi,

    Yes, the inputs of the ADC3101 will be transmitted at the same time to the selected ADC.

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer

  • Hi Diego
    is 3 input of ADC3101 could be transmitted at the same time just by 2 ADC with no any delay? and how?

    By the way,my application scenarios:Two analog MIC inputs plus a One Horn output echo as reference signa

  • Hi,

    The use of three inputs at the same time is possible only by mixing the signals, as this part is a Stereo ADC, it is not possible to stream three separate inputs sat the same time to the digital interface. My comment before was referring to the signal transition from the analog input pin to the ADC front-end. 

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer