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SM8223B Datasheet - Nippon Precision Circuits Inc

SM8223B-NipponPrecisionCircuitsInc.pdf

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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 benefit of an FSK decoder/DTMF receiver auto-select function1 using the telephone tip/ring input sign

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