Datasheet Details
| Part number | MT3271B |
|---|---|
| Manufacturer | Zarlink Semiconductor |
| File Size | 558.76 KB |
| Description | Wide Dynamic Range DTMF Receiver |
| Datasheet |
 MT3271B Datasheet
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General Description
The MT3x7xB is a family of high performance DTMF receivers which decode all 16 tone pairs into a 4-bit binary code.
These devices incorporate an AGC for wide dynamic range and are suitable for end-to-end signalling.
Key Features
- Wide dynamic range (50 dB) DTMF Receiver Call progress (CP) detection via cadence indication 4-bit synchronous serial data output Software controlled guard time for MT3x70B Internal guard time circuitry for MT3x71B Powerdown option (MT317xB & MT337xB) 4.194304 MHz crystal or ceramic resonator (MT337xB and MT327xB) External clock input (MT317xB) Guarantees non-detection of spurious tones Ordering Information.