The CS9370DGP is Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions. It uses digital counting techniques to detect and decode all the 16 DTMF tone pairs into a 4-bit code output. Highly accurate switched capacitor filters are employed to divide tone (DTMF) signals into low and high group signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering.
Package includes :
1 x CS9370DGP DTMF decoder chip dual-tone multi-frequency