adau1781bcpz-rl Analog Devices, Inc., adau1781bcpz-rl Datasheet - Page 21

• Manufacturer Part Number: adau1781bcpz-rl
• Description: Low Noise Stereo Codec With Sigmadsp Processing Core
• Manufacturer: Analog Devices, Inc.

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
10µF
10µF
0.1µF
49.9kΩ
10µF
49.9kΩ
49.9kΩ
2.2pF
Figure 23. System Block Diagram with Analog Microphone Inputs
LMIC/LMICN/MICD1
LMICP
RMIC/RMICN/MICD2
RMICP
BEEP
MCKI
MCKO
PDN
0.1µF
10µF
IOVDD
ADAU1781
0.1µF
10µF
Rev. 0| Page 21 of 88
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
SPP
AVDD2
CM
0.1µF
47µF
100nF
CONTROLLER
SYSTEM
SERIAL
+
DATA
10µF
–
+
10kΩ
10kΩ
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
ADAU1781