cf8224c Nippon Precision Circuits Inc, (NPC), cf8224c Datasheet - Page 10

• Manufacturer Part Number: cf8224c
• Description: Dual-tone Receiver Ic
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

TYPICAL APPLICATION CIRCUIT
L1
L2
Protection
Circuit
C1
5%
C1
5%
Network
Speech
Circuit
R1
1%
R1
1%
VDD
5%
C2
5%
C2
VDD
1. Circuit values are preliminary.
1%
1%
1%
R6
R6
R2
R2
1%
Symbol
R
R
R
C
R
R
R
R
C
R
R
1%
R5
1
2
3
1
4
5
6
7
2
8
9
0.1µF
R9
1%
20%
1%
R4
R3
1%
R8
1%
SM8224C
430 + 34
Rating
0.001
47.5
60.4
0.22
52.3
60.4
AGND
TIP
RING
TRQ
GND
OSCIN
OSCOUT
MODE
TEST
DOUT
330
220
390
27
1
DTDET
CDET
DTQ
VDD
STR
DT1
DT2
CR
S0
S1
1%
R7
Unit
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
µF
µF
VDD
SEIKO NPC CORPORATION —10
0.1µF
20%
Note : Please set this capacitor
nearby IC pin.