SM8222A Datasheet - Nippon Precision Circuits Inc

SM8222A Caller ID Service

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Name TIP RING GS AGND CAP RDIN RDRC RDET MODE OSCIN OSCOUT GND IC PDWN I/O I I O O I I I/O O I I O * I I Description Tip input: Connected to the telephone through a protection circuit. Ring input: Connected to the telephone through a protection circuit.

SM8222A Features

* s s s s s s s Conforms to TR-NWT-000030 and SR-TSV002476 (Bellcore) standards Call waiting FSK demodulator Ring signal detect circuit built-in High input sensitivity Input gain adjust circuit built-in Power-down mode APPLICATIONS s s Telephones that display dialer number before and during conve

SM8222A_NipponPrecisionCircuitsInc.pdf