adau1781bcpz-rl Analog Devices, Inc., adau1781bcpz-rl Datasheet - Page 20
![no-image](/images/no-image-200.jpg)
adau1781bcpz-rl
Manufacturer Part Number
adau1781bcpz-rl
Description
Low Noise Stereo Codec With Sigmadsp Processing Core
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1781BCPZ-RL.pdf
(88 pages)
- Current page: 20 of 88
- Download datasheet (938Kb)
ADAU1781
SYSTEM BLOCK DIAGRAMS
DIFFERENTIAL INPUT
(LEFT)
DIFFERENTIAL INPUT
(RIGHT)
MCLK SOURCE
BEEP INPUT
EXTERNAL
EXTERNAL
MCKO
49.9kΩ
49.9kΩ
49.9kΩ
49.9kΩ
PDN
MICBIAS
0.1µF
49.9kΩ
10µF
10µF
10µF
10µF
10µF
49.9kΩ
49.9kΩ
2.2pF
LMIC/LMICN/MICD1
LMICP
RMIC/RMICN/MICD2
RMICP
BEEP
MCKI
MCKO
PDN
0.1µF
10µF
IOVDD
Figure 22. System Block Diagram with Differential Inputs
ADAU1781
0.1µF
10µF
AVDD1
DAC_SDATA/GPIO0
ADC_SDATA/GPIO1
Rev. 0 | Page 20 of 88
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
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