PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 249

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

7.1
7.1.1
The following blocking circuitry is suggested.
Figure 92
Semiconductor Group
GNDA1
GNDA2
GNDD
V
V
V
V
V
External Circuitry
Power Supply Blocking Recommendation
1) These capacitors should be located as near as possible to the pins
2) MKT-stack film capacitors
3) Tantanum electrolytic capacitor
DDA2
DDA1
DDA1
DDD
DDD
Power Supply Blocking
1) 2)
100 nF
1) 2)
100 nF
249
1) 2)
100 nF
3)
1 µF
Application Hints
Data Sheet 01.99
220 µF
PEB 2091
PEF 2091