AD1819A Analog Devices, AD1819A Datasheet - Page 27

• Manufacturer Part Number: AD1819A
• Description: ac '97 Soundport(r) Codec
• Manufacturer: Analog Devices

REV. 0
22pF
NP0
XTAL_IN
XTAL_IN
AD1819A
AD1819A
SLAVE 1
MASTER
24.576MHz
XTAL_OUT
XTAL_OUT
SDATA_OUT
SDATA_OUT
CHAIN_CLK
CHAIN_CLK
SDATA_IN
SDATA_IN
CHAIN_IN
CHAIN_IN
BIT_CLK
BIT_CLK
RESET
RESET
SYNC
22pF
NP0
SYNC
CS0
CS1
CS0
CS1
INPUT
MIC
NOTES:
**SELECT MIC1 AND MAX GAIN 20dB +12dB for 10mV
10mV RMS
*MAY NEED TO OPTIMIZE TO SUIT MICROPHONE
RMS MICROPHONE OUTPUT.
(mean)
DV
200Hz < FREQUENCY RESPONSE < 5kHz @ –3dB
Figure 17. Two Codec System Example
DD
RESET
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
Figure 18. Microphone Input
FB
100pF
–27–
2.21k *
100
10nF*
100nF
NC
V
MIC1**
MIC2
AD1819A
REFOUT
FL0
DT0
DR0
RFS0
SCLK0
SPORT0
CONTROLLER
(ADSP-2181)
DIGITAL
AD1819A