adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 19

• Manufacturer Part Number: adau1461
• Description: Sigmadsp Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1461
• Manufacturer: Analog Devices, Inc.

THE INPUT CAPACITOR VALUE DEPENDS ON THE
INPUT IMPEDANCE, WHICH VARIES WITH THE
VOLUME SETTING.
SINGLE-ENDED
SINGLE-ENDED
MICROPHONE
MICROPHONE
ANALOG
ANALOG
AUX RIGHT
GND
GND
V
V
AUX LEFT
DD
DD
OUTPUT
OUTPUT
1kΩ
1kΩ
DETECTION
SIGNAL
SOURCE
JACK
CM
CM
CLOCK
10µF
10µF
10µF
10µF
Figure 27. System Block Diagram with Analog Microphones
49.9Ω
MICBIAS
LINN
LINP
RINN
RINP
JACKDET/MICIN
LAUX
RAUX
MCLK
Rev. 0 | Page 19 of 88
0.1µF
10µF
DVDDOUT
+
0.1µF
10µF
+
IOVDD
ADAU1461
AVDD
ADC_SDATA/GPIO1
DAC_SDATA/GPIO0
ADDR0/CLATCH
ADDR1/CDATA
LRCLK/GPIO3
AVDD
BCLK/GPIO2
MONOOUT
SDA/COUT
SCL/CCLK
ROUTN
LOUTN
ROUTP
LOUTP
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
ADAU1461
+