Does TLV320AIC3007 CODEC audio interface supports 20-4000 Hz bandwidth?
Yes, the TLV320AIC3007 supports those bandwidths. The high-side bandwidth will depend on the sampling rate and filtering settings. The low-frequency bandwidth will be largely dominated by your selection of the external AC coupling capacitor and the interaction with the internal input impedance of the device.
For the higher frequency bandwidth for the ADC and DAC paths, locate the following sections of the spec table in the datasheet.
ADC DIGITAL DECIMATION FILTER, Fs = 48 kHz
DAC DIGITAL INTERPOLATION – FILTER Fs = 48-ksps
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