MT3171B, MT3370B - Wide Dynamic Range DTMF Receiver

Zarlink Semiconductor

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MT3171B Datasheet Preview — This datasheet PDF includes multiple part numbers: MT3171B, MT3370B. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	MT3171B, MT3370B
Manufacturer	Zarlink Semiconductor
File Size	558.76 KB
Description	Wide Dynamic Range DTMF Receiver
Datasheet	MT3370B_ZarlinkSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: MT3171B, MT3370B. Please refer to the document for exact specifications by model.

MT3171B Product details

Description

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 an early steering (ESt) logic output to indicate the detection of a DTMF signal and requires external software guard time to validate the DTMF digit.The MT3x71B, with preset internal guard times, uses a delay steering (DStD) logic output to indicate

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.

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Other Datasheets by Zarlink Semiconductor

MT3170B - Wide Dynamic Range DTMF Receiver
MT312 - Satellite Channel Decoder
MT312C - Satellite Channel Decoder
MT3270B - Wide Dynamic Range DTMF Receiver
MT3271B - Wide Dynamic Range DTMF Receiver
MT3370B - Wide Dynamic Range DTMF Receiver

Published: May 14, 2010 |