Datasheet Details
| Part number | HT9172 |
|---|---|
| Manufacturer | Holtek Semiconductor |
| File Size | 132.40 KB |
| Description | DTMF Receiver |
| Datasheet |
 HT9172 Datasheet
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General Description
The HT9172 is a Dual Tone Multi Frequency (DTMF) receiver device which includes an integrated digital decoder and band split filter functions as well as power-down and inhibit mode operations.
Key Features
- Operating voltage: 2.5V~5.5V.
- Minimal external component requirements.
- No external filter required.
- Low standby current in power down mode).
- Excellent performance HT9172 DTMF Receiver.
- Tristate data output for MCU interface.
- 3.58MHz crystal or ceramic resonator oscillator.
- 1633Hz can be inhibited by the INH pin.
- 18-pin DIP/SOP packaging General.