FAN3850A Datasheet, PDF (8/11 Pages) Fairchild Semiconductor – Microphone Pre-Amplifier with Digital Output

Applications Information
INPUT
Pre-
Amp
VDD
CLOCK
ADC
DATA
SELECT
Audio
Output
SPEAKER
CLK SDI SDO L/R
Low Pass Filter
Decimation
Serial Port
Noise Shaper
Interpolation
Applications Software
Figure 8. Mono Microphone Application Circuit
INPUT
Pre-
Amp
INPUT
Pre-
Amp
VDD
CLOCK
ADC
DATA
SELECT
VDD
CLOCK
ADC
DATA
SELECT
Audio
Output
SPEAKER
CLK ^SDI SDO L/R
Low Pass Filter
Decimation
Serial Port
Noise Shaper
Interpolation
Applications Software
Figure 9. Stereo Microphone Application Circuit
© 2010 Fairchild Semiconductor Corporation
FAN3850A • Rev. 3.0.6
8
www.fairchildsemi.com