MorphineJH

Member Since: February 19, 2010

Country: United States

  • Product COM-10024 | about 3 years ago

    I just got this myself, and was going over the data sheet. From what I understand the chip takes the Peak-Peak voltage and applies a gain to the individual frequencies to to supply an output that is somewhere from 0V to VDD.
    That said, the minimum gain is 20dB and the maximum is 24dB with a typical gain of 22dB. This translates to a maximum gain x15.85, minimum of x10, and a typical gain of x12.59. (dB = 20*log(UnitOfMeasure))
    So if 5V=VDD, then an input Voltage of 0.315V or below would be appropriate. But in reality it would be hard to say, since the gains are applied to the individual frequencies and not the entire input signal. So different frequencies will have different gains. I may do some testing to get better numbers.

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