CS4237B Datasheet, PDF (94/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound

Speaker Out CD-ROM
Speaker In
Analog Ground
Crystal
Part
1
Digital Ground
CS4237B
PIN 1
XD7
Figure 32. Suggested Add-In Card Layout
PIN 98
VDF3
.1µ F
PIN 97
SG ND3
PIN 80
AGND
PIN 81
VA
.1µ F
1µF
+
.1µ F
PIN 79
REFFLT
Analog
PIN 71
TEST
PIN 66
SGND2
PIN 17
VDF1
.1µ F
PIN 18
SGND1
Digital
= ^{vias through to}
power/ground plane
.1µ F
PIN 65
VDF2
PIN 54
VDF4
.1µF
PIN 53
SGND4
PIN 45
VD1
.1µ F
PIN 46
DGND1
Figure 33. Recommended Decoupling Capacitor Positions
94
DS213PP4