Analog Devices ADAU1961 Manual page 19

THE INPUT CAPACITOR VALUE DEPENDS ON THE
INPUT IMPEDANCE, WHICH VARIES WITH THE
VOLUME SETTING.
SINGLE-ENDED
ANALOG
MICROPHONE
SINGLE-ENDED
ANALOG
MICROPHONE
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V
DD
10µF
OUTPUT
CM
GND
V
DD
10µF
OUTPUT
CM
GND
JACK
DETECTION
SIGNAL
AUX LEFT 10µF
1kΩ
10µF
AUX RIGHT
1kΩ
49.9Ω
CLOCK
SOURCE
Figure 26. System Block Diagram with Analog Microphones
FROM VOLTAGE
REGULATOR
(1.8V TO 3.3V)
10µF 10µF
+ +
0.1µF 0.1µF
DVDDOUT IOVDD AVDD
MICBIAS
LINN
LINP
ADAU1961
RINN
RINP
JACKDET/MICIN
LAUX
RAUX
MCLK
Rev. 0 | Page 19 of 76
ADAU1961
10µF
+
0.1µF
0.1µF
1.2nH
9.1pF
AVDD
LOUTP
EARPIECE
SPEAKER
LOUTN
RHP
CAPLESS
HEADPHONE
MONOOUT OUTPUT
LHP
ROUTP
EARPIECE
SPEAKER
ROUTN
ADC_SDATA
DAC_SDATA
SERIAL DATA
LRCLK
BCLK
ADDR1/CDATA
SDA/COUT
SYSTEM
CONTROLLER
SCL/CCLK
ADDR0/CLATCH
CM
0.1µF 10µF
+