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MT3271B Datasheet PDF
- Wide Dynamic Range DTMF Receiver - receiver
MT3170B, 71B, MT3270B, 71B, MT3370B, 71B Wide Dynamic Range DTMF Receiver Data Sheet 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 MH- crystal or ceramic resonator (MT337xB and MT327xB) External clock input (MT317xB) Guarantees non-detection of spurious tones Order
Zarlink Semiconductor
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