AK2347B Datasheet, PDF (30/34 Pages) Asahi Kasei Microsystems – Two-way Radio Audio & Sub-Audio Processor

ASAHI KASEI
[AK2347B]
5) Power supply stabilizing capacitors
Connect capacitors between VDD and VSS pins to eliminate ripple and noise included in power
supply. For maximum effect, the capacitors should be placed at a shortest distance between the
pins.
16 VDD
VDD
C1
9 VSS
LSI
C2
VSS
C1=22uF (Electrolytic cap)
C2=0.1uF (Ceramic cap)
6) AGND stabilizing capacitors
It is recommended that capacitors with 0.3μF or lager be connected between VSS and the AGND
and AGNDIN pins to stabilize the AGND signal. The capacitors must be placed as close to the
pins as possible.
1 AGNDIN
C
2 AGND
C
C=1uF
LSI
MS1419-E-00
- 30 -
2012/05