Part number:
SM8223B
Manufacturer:
Nippon Precision Circuits Inc
File Size:
133.12 KB
Description:
Nippon precision circuits inc. fsk decoder and dtmf receiver ic.
SM8223B-NipponPrecisionCircuitsInc.pdf
Datasheet Details
Part number:
SM8223B
Manufacturer:
Nippon Precision Circuits Inc
File Size:
133.12 KB
Description:
Nippon precision circuits inc. fsk decoder and dtmf receiver ic.
SM8223B, NIPPON PRECISION CIRCUITS INC. FSK Decoder and DTMF Receiver IC
Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name TIP RING GS AGND RDIN RDRC RDET PDW N GND OSCOUT OSCIN IC FSK/DTMF DOUT DV VDD I/O Function I Tip input.
Connected to the telephone line through a protection circuit I Ring input.
Connected to the telephone line through a protection circuit O
SM8223B Features
* a power-down function for low power dissipation operation. The FSK decoder and DTMF receiver have the same performance characteristics as dedicated ICs that perform the same functions, with the added beneļ¬t of an FSK decoder/DTMF receiver auto-select function1 using the telephone tip/ring input sign
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