ad1881a Analog Devices, Inc., ad1881a Datasheet - Page 21

• Manufacturer Part Number: ad1881a
• Description: Ac?97 Soundmax Codec
• Manufacturer: Analog Devices, Inc.

APPLICATIONS CIRCUITS
The AD1881A has been designed to require a minimum amount of external circuitry. The recommended applications circuits are
shown in Figure 9. Reference designs for the AD1881A are available and may be obtained by contacting your local Analog Devices’
sales representative or authorized distributor.
NOTE: FOR OPTIMAL PERFORMANCE USE A REGULATED ANALOG POWER SUPPLY.
10k
47k
1k
47k
100nF
47k
0.33 F
0.33 F
0.33 F
0.33 F
0.33 F
0.33 F
0.33 F
1 F
0.33 F
0.33 F
100nF
0.33 F
0.33 F
0.33 F
0.33 F
1 F
10 F
270pF
36
NP0
7
AV
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
SS1
100nF
AV
SS2
100nF
270pF
NP0
AV
DD1
FILT_L
+5AV
AV
1 F
DD2
DD
FILT_R CX3D
ANALOG GROUND
1 F
34
100nF
47nF
RX3D V
33
AD1881A
2.25V
REFOUT
28
DC
100nF
V
REF
27
TANT
10 F
600Z
+3.3DV
DV
DD1
22pF
NP0
DD
XTL_IN
DV
DIGITAL GROUND
DD2
24.576MHz
100nF
LNLVL_OUT_R
LNLVL_OUT_L
SDATA_OUT
DV
SDATA_IN
SS1
XTL_OUT
BIT_CLK
100nF
RESET
SYNC
MODE
EAPD
DV
CS0
CS1
22pF
NP0
SS2
48
41
47
39
47pF
47
AD1881A
10 F
1 F
1 F
EAPD
CONTROLLER
47k
47k
DIGITAL