ZL49031 Datasheet (ZL49010 - ZL49031) Wide Dynamic Range DTMF Receiver

Manufacturer: Zarlink Semiconductor

Download the ZL49031 datasheet PDF. This datasheet also includes the ZL49010 variant, as both parts are published together in a single manufacturer document.

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ZL49031 (zl49010 - zl49031) wide dynamic range dtmf receiver by Zarlink Semiconductor - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ZL49010_ZarlinkSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ZL49031
Manufacturer	Zarlink Semiconductor
File Size	373.29 KB
Description	(ZL49010 - ZL49031) Wide Dynamic Range DTMF Receiver
Download	ZL49031 Download (PDF)

General Description

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 steering (ESt) logic output to indicate the detection of a DTMF PWDN VDD VSS 1 Voltage Bias Circuit Steering Circuit High Group Filter Antialias Filter Dial Tone Filter Low Group Filter Digital Detector Algorithm Code Converter and Latch Digital Guard Time3 Parallel to Serial Conver

Overview

www.DataSheet4U.com ZL49010/1, ZL49020/1, ZL49030/1 Wide Dynamic Range DTMF Receiver Data.

Key Features

Wide dynamic range (50dB) DTMF Receiver Call progress (CP) detection via cadence indication 4-bit synchronous serial data output Software controlled guard time for ZL490x0 Internal guard time circuitry for ZL490x1 Powerdown option (ZL4901x & ZL4903x) 3.579MHz crystal or ceramic resonator (ZL4903x and ZL4902x) External clock input (ZL4901x) Guarantees non-detection of spurious tones Ordering Information ZL49.

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