MT3271B Datasheet, Zarlink Semiconductor

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* Wide dynamic range (50 dB) DTMF Receiver Call progress (CP) detection via cadence indication 4-bit synchronous seria.

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* Integrated telephone answering machine End-to-end signalling Fax Machines PWDN VDD VSS ➀ Voltage Bi.

Data Sheet 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. The MT3x70B provides .