Analog Devices ADAU1961 Manual page 20

ADAU1961
CLK
DIGITAL
MICROPHONE
V
DD
0.1µF
L/R SELECT
CLK
DIGITAL
MICROPHONE
V
DD
0.1µF
L/R SELECT
AUX LEFT
1kΩ
AUX RIGHT
1kΩ
Downloaded from Elcodis.com electronic components distributor
10µF
+
0.1µF
DVDDOUT
MICBIAS
BCLK
CM
LINP
LINN
DATA
RINN
GND
RINP
BCLK
DATA
GND
JACKDET/MICIN
10µF
LAUX
10µF
RAUX
49.9Ω
MCLK
CLOCK
SOURCE
Figure 27. System Block Diagram with Digital Microphones and SSM2306 Class-D Speaker Driver
FROM VOLTAGE
REGULATOR
(1.8V TO 3.3V)
10µF
+
0.1µF
10µF
+
0.1µF
0.1µF
1.2nH
IOVDD AVDD AVDD
RHP
MONOOUT
LHP
22nF
LOUTP
ADAU1961
22nF
LOUTN
22nF
ROUTP
22nF
ROUTN
ADC_SDATA
DAC_SDATA
LRCLK
BCLK
ADDR1/CDATA
SDA/COUT
SCL/CCLK
ADDR0/CLATCH
CM
0.1µF
Rev. 0 | Page 20 of 76
9.1pF
CAPLESS
HEADPHONE
OUTPUT
2.5V TO 5.0V
0.1µF
10µF
VDD VDD
R
EXT
INL+
OUTL+
R
EXT
OUTL–
INL–
SSM2306
CLASS-D 2W
STEREO SPEAKER
R
EXT
DRIVER
INR+
OUTR+
R
EXT
OUTR–
INR–
SD GND GND
SERIAL DATA
SYSTEM
CONTROLLER
+
10µF
LEFT
SPEAKER
RIGHT
SPEAKER