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5 audio – Rainbow Electronics AT73C246 User Manual

Page 148

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148

11050A–PMAAC–07-Apr-10

AT73C246

15.5 AUDIO

Unless otherwise noted, the reported measurement were performed at room temperature with AVDD = 3.3V supplied from
LDO4. Typical components as described in

Section 5. “Application Block Diagram” on page 8

are used.

Figure 15-13. Microphone Recording Waveforms

Differential Microphone Recording ( Path 5)

-1dBV / 1kHz Input - Fs = 48kHz - 16kpts FFT

Differential Microphone Recording ( Path 5)

-60dBV / 1kHz Input - Fs = 48kHz - 16kpts FFT

Differential Microphone Recording ( Path 5)

THD+N Ratio Versus Input Level