ZL49020 receiver equivalent, (zl49010 - zl49031) wide dynamic range dtmf receiver.
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* Wide dynamic range (50dB) DTMF Receiver Call progress (CP) detection via cadence indication 4-bit synchronous serial.
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* Integrated telephone answering machine End-to-end signalling Fax Machines
-40 ° C to +85° C signal an.
The ZL490xx 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 ZL490x0 provides an early stee.
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