AD1819A Analog Devices, AD1819A Datasheet - Page 25

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

APPLICATIONS CIRCUITS
The AD1819A has been designed to require a minimum amount
of external circuitry. The recommended applications circuits are
shown in Figures 15–18. Reference designs for the AD1819A
are available and may be obtained by contacting your local
Analog Devices’ sales representative or authorized distributor.
Example shell programs for establishing a communications path
between the AD1819A and an ADSP-21xx DSP are also available.
REV. 0
1.37k
4.99k
47k
47k
100nF
47k
1 F
1 F
1 F
1 F
1 F
1 F
1 F
1 F
100nF
1 F
1 F
1 F
1 F
1 F
1 F
1 F
270pF
36
NP0
7
AFILT1 AFILT2
PC_BEEP
LINE_IN_R
LINE_IN_L
MIC1
MIC2
CD_R
CD_L
CD_GND
VIDEO_L
VIDEO_R
AUX_L
AUX_R
PHONE_IN
MONO_OUT
LINE_OUT_R
LINE_OUT_L
Figure 15. Recommended One Codec Application Circuit
270pF
NP0
+5AV
AV
DD
FILT_L
10 F TANT
DD2
100nF
1 F
AV
FILT_R
SS2
ANALOG GROUND
1 F
+5AV
CX3D
34
DD
AV
100nF
10 F TANT
47nF
DD1
100nF
–25–
RX3D
AD1819A
AV
33
SS
V
2.25V
REFOUT
600Z
28
DC
DV
100nF
10 F TANT
SS1
100nF
V
DV
REF
27
DD1
+5DV
TANT
10 F
DD
DV
10 F TANT
22pF
SS2
NP0
100nF
XTAL_IN
DIGITAL GROUND
DV
24.576MHz
DD2
+5DV
SDATA_OUT
CHAIN_CLK
DD
SDATA_IN
XTAL_OUT
CHAIN_IN
BIT_CLK
RESET
SYNC
CS0
CS1
22pF
NP0
48
47
AD1819A
DV
DD
CONTROLLER
DIGITAL