SM8222 Nippon Precision Circuits Inc, SM8222 Datasheet - Page 15

• Manufacturer Part Number: SM8222
• Description: Caller ID Service IC with Call Waiting
• Manufacturer: Nippon Precision Circuits Inc

NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to
improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for
the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits
are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision
Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification.
The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or
malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter,
including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or
indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies.
TYPICAL APPLICATION CIRCUIT
All circuit component values are shown for reference only. These values are not guaranteed for mass production specification.
L1
L2
Protection
Surge
NIPPON PRECISION CIRCUITS INC.
100nF
100nF
( ) = when SM8222B
22nF
22nF
5%
5%
5%
5%
(240k)
(240k)
430K
430K
499k
499k
1%
1%
5%
5%
VDD
VDD
301k
5%
34k
1%
34k
1%
200k
5%
53.6k
VDD
1%
220nF
VDD
20%
150k
5%
60.4k
1%
SM8222A/B
100nF
20%
464k
1%
NIPPON PRECISION CIRCUITS INC.
4-3, Fukuzumi 2-chome
Koto-ku, Tokyo 135-8430, Japan
Telephone: [phone]
Facsimile: 03-3642-6698
TIP
RING
GS
AGND
CAP
RDIN
RDRC
RDET
MODE
OSCIN
OSCOUT
GND
FSKEN
PDWN
DOUT
CDET
DCLK
STGT
VDD
STD
INT
EST
DR
IC
NIPPON PRECISION CIRCUITS—15
NC9811BE 1999.1
VDD
0.1 F
20%
VDD
100k
20%