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ZL38003

Zarlink Semiconductor
Part Number ZL38003
Manufacturer Zarlink Semiconductor
Description AEC
Published Feb 11, 2007
Detailed Description www.DataSheet4U.com ZL38003 AEC with Noise Reduction & Codecs for Digital Hands-Free Communication Data Sheet A full De...
Datasheet PDF File ZL38003 PDF File

ZL38003
ZL38003

Overview
www.
DataSheet4U.
com ZL38003 AEC with Noise Reduction & Codecs for Digital Hands-Free Communication Data Sheet A full Design Manual is available to qualified customers.
To register, please send an email to VoiceProcessing@Zarlink.
com.
November 2005 Ordering Information ZL38003GMG2 81 Ball CBGA Trays, Bake & Drypack Features • • • • • • • • • • Handles up to -6 dB acoustic echo return loss 127 ms acoustic echo canceller Provides up to 12 dB of Noise Reduction Operate in two modes, Dual Analog mode and single Analog mode (other port is digital PCM) PCM Data Formats in single Port mode- 16-bit Linear, companded ITU-T A-law or U-law Advanced NLP design - full duplex speech with no switched loss on audio paths Tracks changing echo environment quickly Adaptation algorithm converges even during Double-Talk Designed for performance in high background noise environments Provides protection against narrow-band signal divergence • • • • • • • • • • -40° C to +85 ° C Howling prevention eliminates uncontrolled oscillation in high loop gain conditions AGC on speaker path Transparent data transfer and mute options Boot loadable for future factory software upgrades Serial micro-controller interface Two 16 bit linear ACD and DAC that meet ITU-T G.
711/712 recommendations Four Audio TX/RX Interfaces Differential Microphone Inputs Programmable Bias Voltage Output for Electret microphones Microphone Presence Detection, Microphone Mute SCLK CS_CODEC CS_AEC DATA1 DATA2 FPi C4i Rin EAR Serial Microport Interface G.
712 Codec #1 Rout/Sout AEC Sin/Rin Crosspoint Audio Interface G.
712 Codec #0 #1 EAR MIC Audio Interface #3 MIC BIAS MICDET PCM Timing EAR Audio Interface #2 MIC BIAS MICDET Sout MCLK RESETB AUXTONE Audio Interface #0 EAR/SPEAKER MIC BIAS Figure 1 - Block Diagram 1 Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2005, Zarlink Semiconductor Inc.
All Rights Reserved.
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