AK2303LV Datasheet, PDF (38/41 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for PBX Analog Line Card

ASAHI KASEI
[AK2303LV]
Analog ground stabilization capacitor
An external capacitor of more than 1.0uF should be connected between VREF and VSS to stabilize analog
ground (VREF).
AK2303LV
VREF
+C
AVSS
PLL Loop filter capcitor
An external capacitor of more than 0.22uF should be connected between LPC and VSS.
AK2303LV
LPC
+C
AVSS
Power Supply
To attenuate the power supply noise, connect capacitors between VDD and VSS, as shown below.
A K 230 3LV
AVDD
C1
AVSS
+
C2
C 1 = 0 .1 µ F
C2=10µF
DVDD
C1
D VSS
+
C2
2303-E-00
38
2001/09