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 cha...
