adau1381 Analog Devices, Inc., adau1381 Datasheet - Page 21
adau1381
Manufacturer Part Number
adau1381
Description
Low-noise Stereo Codec With Enhanced Recording And Playback Processing
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1381.pdf
(84 pages)
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ANALOG
ANALOG
MIC 1
MIC 2
MCLK SOURCE
2kΩ
2kΩ
49.9kΩ
49.9kΩ
BEEP INPUT
EXTERNAL
EXTERNAL
0.1µF
0.1µF
10µF
10µF
MICBIAS
MICBIAS
MCKO
PDN
MICBIAS
0.1µF
CM
CM
49.9Ω
10µF
49.9Ω
2.2pF
Figure 24. System Block Diagram with Analog Microphone Inputs
LMIC/LMICN/MICD1
LMICP
RMIC/RMICN/MICD2
RMICP
BEEP
MCKI
MCKO
PDN
0.1µF
10µF
IOVDD
ADAU1381
0.1µF
10µF
Rev. A| Page 21 of 84
AVDD1
DAC_SDATA/GPIO0
ADC_SDATA/GPIO1
ADDR1/CLATCH
0.1µF
ADDR0/CDATA
10µF
LRCLK/GPIO3
BCLK/GPIO2
SDA/COUT
SCL/CCLK
AOUTR
AOUTL
GPIO
SPN
AVDD2
SPP
CM
0.1µF
47µF
100nF
CONTROLLER
SYSTEM
SERIAL
+
DATA
10µF
–
+
10kΩ
10kΩ
CM
GPIO
8Ω
SPEAKER
OUT
100pF
100pF
10kΩ
10kΩ
STEREO
HEADPHONE
AMPLIFIER
10Ω 220µF
10Ω 220µF
STEREO SINGLE-ENDED
HEADPHONE OUTPUT
RIGHT_OUT
10kΩ
10kΩ
LEFT_OUT
ADAU1381
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