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SM8223A Datasheet - Nippon Precision Circuits Inc

SM8223A_NipponPrecisionCircuitsInc.pdf

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Datasheet Details

Part number:

SM8223A

Manufacturer:

Nippon Precision Circuits Inc

File Size:

172.67 KB

Description:

Fsk decoder and dtmf receiver.

SM8223A, FSK Decoder and DTMF Receiver

Number 1 2 3 4 5 6 7 Name TIP RING GS AG N D RDIN RDRC RDET I/O I I O O I I/O O Function Tip input.

Connected to the telephone line through a protection circuit Ring input.

Connected to the telephone line through a protection circuit Input-stage amplifier gain-select output.

Used to adjust the gain o

SM8223A 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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