adau1961 Analog Devices, Inc., adau1961 Datasheet - Page 18

• Manufacturer Part Number: adau1961
• Description: Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1961
• Manufacturer: Analog Devices, Inc.

ADAU1961
SYSTEM BLOCK DIAGRAMS
MICROPHONE
MICROPHONE
THE INPUT CAPACITOR VALUE DEPENDS ON THE
INPUT IMPEDANCE, WHICH VARIES WITH THE
VOLUME SETTING.
RIGHT
LEFT
AUX RIGHT
AUX LEFT
2kΩ
2kΩ
1kΩ
1kΩ
10µF
10µF
10µF
10µF
DETECTION
SIGNAL
SOURCE
JACK
CLOCK
10µF
10µF
49.9Ω
LINP
LINN
MICBIAS
RINN
RINP
JACKDET/MICIN
LAUX
RAUX
MCLK
Figure 25. System Block Diagram
0.1µF
10µF
Rev. 0 | Page 18 of 76
DVDDOUT
+
0.1µF
10µF
+
IOVDD
ADAU1961
FROM VOLTAGE
(1.8V TO 3.3V)
REGULATOR
AVDD
ADDR0/CLATCH
ADDR1/CDATA
AVDD
ADC_SDATA
DAC_SDATA
MONOOUT
SDA/COUT
SCL/CCLK
ROUTN
LOUTN
ROUTP
LOUTP
LRCLK
BCLK
1.2nH
RHP
LHP
CM
0.1µF
0.1µF
10µF
+
0.1µF
9.1pF
SERIAL DATA
CONTROLLER
SYSTEM
10µF
EARPIECE
SPEAKER
CAPLESS
HEADPHONE
OUTPUT
EARPIECE
SPEAKER
+