adau1381 Analog Devices, Inc., adau1381 Datasheet - Page 23

• Manufacturer Part Number: adau1381
• Description: Low-noise Stereo Codec With Enhanced Recording And Playback Processing
• Manufacturer: Analog Devices, Inc.

MCLK SOURCE
STEREO DIGITAL
BEEP INPUT
EXTERNAL
EXTERNAL
BCLK OR MCLKO
MIC INPUT
1kΩ
MCKO
PDN
MICBIAS
0.1µF
49.9Ω
10µF
49.9Ω
2.2pF
LMIC/LMICN/MICD1
LMICP
RMIC/RMICN/MICD2
RMICP
BEEP
MCKI
MCKO
PDN
Figure 26. System Block Diagram with Stereo Digital Microphone Inputs
0.1µF
10µF
IOVDD
ADAU1381
0.1µF
10µF
AVDD1
DAC_SDATA/GPIO0
ADC_SDATA/GPIO1
ADDR1/CLATCH
Rev. A| Page 23 of 84
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
GPIO
8Ω
SPEAKER
OUT
BCLK
100pF
100pF
10kΩ
10kΩ
STEREO
HEADPHONE
AMPLIFIER
10Ω 220µF
10Ω 220µF
STEREO SINGLE-ENDED
HEADPHONE OUTPUT
RIGHT_OUT
10kΩ
10kΩ
LEFT_OUT
ADAU1381