HT9170B, DTMF Receiver, DIP-18, Holtek Semiconductor
The HT9170B/D are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions as well as power-down mode and inhibit mode operations. Such devices use digital counting techniques to detect and decode all the 16 DTMF tone pairs into a 4-bit code output
- Operating Voltage 2.5V to 5.5V
- Minimum external Components
- No external Filter is required
- TriState Data Output for MCU Interface
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