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| AD1819B Datasheet, PDF (27/28 Pages) Analog Devices – AC’97 SoundPort Codec | |||
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AD1819B
RESET
SDATA_OUT
SDATA_IN
AD1819B
MASTER
SYNC
BIT_CLK
CS0
CS1
CHAIN_IN
CHAIN_CLK
XTAL_IN
XTAL_OUT
22pF
NP0
24.576MHz
22pF
NP0
RESET
SDATA_OUT
SDATA_IN
AD1819B
SLAVE 1
SYNC
BIT_CLK
CS0
CS1
CHAIN_IN
CHAIN_CLK
XTAL_IN
XTAL_OUT
RESET
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
DVDD
FL0
DT0
DR0
RFS0
SCLK0
SPORT0
DIGITAL
CONTROLLER
(ADSP-2181)
Figure 17. Two Codec System Example
2.21kâ*
MIC
INPUT
FB
100â
100nF
Ó 10mV RMS
(mean)
100pF
10nF*
NC
200Hz < FREQUENCY RESPONSE < 5kHz @ â3dB
NOTES:
*MAY NEED TO OPTIMIZE TO SUIT MICROPHONE
**SELECT MIC1 AND MAX GAIN 20dB +12dB for 10mV
RMS MICROPHONE OUTPUT.
Figure 18. Microphone Input
AD1819B
VREFOUT
MIC1**
MIC2
REV. 0
â27â
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