Datasheet > ZL38003_06

ZL38003_06

更新时间： 2024-09-16 03:08:35

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		解码器编解码器
页数	文件大小	规格书
7页	230K
描述
AEC with Noise Reduction & Codecs for Digital Hands-Free Communication

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ZL38003_06 数据手册

ZL38003

AEC with Noise Reduction & Codecs for

Digital Hands-Free Communication

Data Sheet

May 2006

A full Design Manual is available to qualified

customers. To register, please send an email to

VoiceProcessing@Zarlink.com.

Ordering Information

ZL38003GMG 81 Ball CBGA Trays, Bake & Drypack

ZL38003GMG2 81 Ball CBGA**Trays, Bake & Drypack

Features

**Pb Free Tin/Silver/Copper

•

Handles up to -6 dB acoustic echo return loss

127 ms acoustic echo canceller

-40°C to +85°C

•

Howling prevention eliminates uncontrolled

oscillation in high loop gain conditions

AGC on speaker path

Provides up to 12 dB of Noise Reduction

Operate in two modes, Dual Analog mode and

single Analog mode (other port is digital PCM)

•

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

•

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

•

Four Audio TX/RX Interfaces

Differential Microphone Inputs

•

Designed for performance in high background

noise environments

Provides protection against narrow-band signal

divergence

Programmable Bias Voltage Output for Electret

microphones

Microphone Presence Detection, Microphone

Mute

•

EAR

SCLK

CS_CODEC

Audio Interface

MIC

Serial

Microport

Interface

CS_AEC

BIAS

MICDET

DATA1

DATA2

G.712

Codec

EAR

FPi

C4i

PCM

Audio Interface

MIC

Timing

BIAS

MICDET

Rout/Sout

Sin/Rin

Rin

AEC

Crosspoint

Sout

EAR

MIC

Audio Interface

G.712

Codec

EAR/SPEAKER

MIC

Audio Interface

MCLK

RESETB

BIAS

AUXTONE

Figure 1 - Block Diagram

Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

12 3 4 5 6 7

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与ZL38003_06相关器件

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