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TLV320ADC6140: ADC Performance

Koshi Ninomiya
Expert 6225 points

Part Number: TLV320ADC6140

Hi Team,

My customer is considering to use the TLV320ADC6140 as audio ADC with 384kHz sampling rate. While they check ADC performance of the TLV320ADC6140, they ask us to provide the following ADC performance data, if there are.

TLV320ADC6140 ADC characteristic graphs (vs. sampling frequency / temperature, etc.)
 #1: Offset error
 #2: Gain error (full-scale error)
 #3: INL integral nonlinearity error

If there are those data which we can provide to the customer, please send those to me.
Thank you.

Best Regards,

Koshi Ninomiya

                                                                                                                                                                                                                                                                                                                                                                                     

  • 0
    TI__Expert 6995 points

    Koshi-san,

    Let me check with our team to see what data is available.

    best regards,

      Pedro

  • 0 in reply to PedroGelabert
    TI__Expert 6995 points

    Koshi-san,

    Since audio ADC are typically used with dynamic signals typical of audio applications, the data sheet is characterized for dynamic parameters: SNR, Dynamic Range, THD+N, etc. The gain error is characterized at -6dB instead of full scale, since distortion caused by full-scale input can effect the actual device gain error results. The expected gain error for the device is between -0.7dB to +0.3dB. The data sheet includes typical values for inter channel gain mismatch gain and gain drift with temperature.

    Nevertheless, these devices are suitable for non-audio applications, like DC measurement. If your customer needs additional data collected, contact me internally with the customer name, target application, end-equipment opportunity.

    best regards,

     Pedro