CS4239 データシートの表示（PDF） - Cirrus Logic
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CS4239 Datasheet PDF : 98 Pages
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CS4239
CrystalClearTM Portable ISA Audio System
Speaker Out CD-ROM
Speaker In
Analog Ground
Crystal
Part
1
Digital Ground
Figure 24. Suggested Add-In Card Layout
PIN 1
PIN 98
VDF3
.1µF
PIN 97
SGND3
PIN 80
AGND
PIN 81
VA
.1µF
1µF
+ PIN 79
.1µF REFFLT
PIN 17
VDF1
.1µ F
PIN 18
SGND1
Analog
Digital
= vias through to
power/ground plane
PIN 71
TEST
PIN 66
SGND2
.1µF
PIN 65
VDF2
PIN 53
SGND4
PIN 45
VD1
.1µF
PIN 46
DGND1
Figure 25. Recommended Decoupling Capacitor Positions
DS253PP2
79
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