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CF8223A

Nippon Precision Circuits Inc
Part Number CF8223A
Manufacturer Nippon Precision Circuits Inc
Description FSK Decoder and DTMF Receiver IC
Published Mar 23, 2005
Detailed Description SM8223A NIPPON PRECISION CIRCUITS INC. FSK Decoder and DTMF Receiver IC OVERVIEW The SM8223A is a FSK (Frequency shift...
Datasheet PDF File CF8223A PDF File

CF8223A
CF8223A

Overview
SM8223A NIPPON PRECISION CIRCUITS INC.
FSK Decoder and DTMF Receiver IC OVERVIEW The SM8223A is a FSK (Frequency shift keying) decoder and DTMF (Dual tone multi-frequency) receiver IC.
It is fabricated using a CMOS process and 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 signal.
It also features a ring (call signal) signal detection circuit, making for easy construction of low power dissipation, high-performance analog telephone-related applications.
FEATURES s PINOUT (Top view) s s s s s s s s Both FSK signal caller-ID information services and DTMF signal caller-ID information services supported FSK decoder/DTMF receiver auto-select function Ring (call signal) signal detection circuit built-in Serial I/O Input gain adjustm...


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