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AD1819B Datasheet(PDF) 27 Page - Analog Devices

Part # AD1819B
Description  AC??7 SoundPort Codec
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1819B Datasheet(HTML) 27 Page - Analog Devices

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AD1819B
–27–
REV. 0
RESET
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
CS0
CS1
CHAIN_IN
CHAIN_CLK
AD1819B
MASTER
XTAL_IN
XTAL_OUT
22pF
NP0
22pF
NP0
24.576MHz
FL0
DT0
DR0
RFS0
SCLK0
SPORT0
RESET
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
DIGITAL
CONTROLLER
(ADSP-2181)
DVDD
RESET
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
CS0
CS1
CHAIN_IN
CHAIN_CLK
AD1819B
SLAVE 1
XTAL_IN
XTAL_OUT
Figure 17. Two Codec System Example
2.21k *
100
100nF
10nF*
NC
MIC1**
MIC2
AD1819B
VREFOUT
FB
100pF
200Hz < FREQUENCY RESPONSE < 5kHz @ –3dB
NOTES:
*MAY NEED TO OPTIMIZE TO SUIT MICROPHONE
**SELECT MIC1 AND MAX GAIN 20dB +12dB for 10mV
RMS MICROPHONE OUTPUT.
MIC
INPUT
10mV RMS
(mean)
Figure 18. Microphone Input



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