ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 23
ADAU1381BCPZ
Manufacturer Part Number
ADAU1381BCPZ
Description
IC AUDIO CODEC STEREO LN 32LFCSP
Manufacturer
Analog Devices Inc
Type
Stereo Audior
Datasheet
1.ADAU1381BCBZ-RL.pdf
(84 pages)
Specifications of ADAU1381BCPZ
Data Interface
Serial, SPI™
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
97 / 100
Dynamic Range, Adcs / Dacs (db) Typ
96.5 / 100
Voltage - Supply, Analog
1.8 V ~ 3.65 V
Voltage - Supply, Digital
1.63 V ~ 3.65 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-VFQFN, CSP Exposed Pad
Audio Codec Type
Stereo
No. Of Adcs
2
No. Of Dacs
2
No. Of Input Channels
3
No. Of Output Channels
3
Adc / Dac Resolution
24bit
Adcs / Dacs Signal To Noise Ratio
100dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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. B | 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
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