ZL50235

更新时间： 2024-09-24 04:23:27

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		/
页数	文件大小	规格书
43页	659K
描述
16 Channel Voice Echo Canceller

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ZL50235 数据手册

ZL50235

16 Channel Voice Echo Canceller

Data Sheet

March 2006

Features

•

Independent multiple channels of echo

Ordering Information

cancellation; from 16 channels of 64 ms to 8

channels of 128 ms with the ability to mix

channels at 128 ms or 64 ms in any combination

ZL50235/QCC 100 Pin LQFP Trays

ZL50235/GDC 208 Ball PBGA Trays

ZL50235QCG1 100 Pin LQFP* Trays, Bake & Drypack

*Pb Free Matte Tin

-40°C to +85°C

•

Independent Power Down mode for each group of

2 channels for power management

Fully compliant to ITU-T G.165, G.168 (2000) and

(2002) specifications

•

+9 dB to -12 dB level adjusters (3 dB steps) at all

signal ports

Passed AT&T voice quality testing for carrier

grade echo cancellers

Compatible to ST-BUS and GCI interfaces with

2 Mbps serial PCM data

•

Offset nulling of all PCM channels

10 MHz or 20 MHz master clock operation

3.3 V IO pads and 1.8 V Logic core operation with

5 V tolerant inputs

PCM coding, µ/A-Law ITU-T G.711 or sign

•

IEEE-1149.1 (JTAG) Test Access Port

ZL50232, ZL50233, ZL50234 and ZL50235 have

same pinouts in both LQFP and LBGA packages

magnitude

Per channel Fax/Modem G.164 2100 Hz or G.165

2100 Hz phase reversal Tone Disable

•

Per channel echo canceller parameters control

Transparent data transfer and mute

Applications

•

Voice over IP network gateways

Voice over ATM, Frame Relay

T1/E1/J1 multichannel echo cancellation

Wireless base stations

Fast reconvergence on echo path changes

Fully programmable convergence speeds

Patented Advanced Non-Linear Processor with

high quality subjective performance

Echo Canceller pools

•

Protection against narrow band signal divergence

and instability in high echo environments

DCME, satellite and multiplexer system

DD1 (3.3 V)

DD2 (1.8 V)

ODE

Rin

Sin

Rout

Parallel

Serial

Parallel

Echo Canceller Pool

Sout

Group 0

Group 1

ECA/ECB

Group 2

ECA/ECB

Group 3

ECA/ECB

MCLK

Fsel

ECA/ECB

Note:

Group 4

ECA/ECB

Group 5

ECA/ECB

Group 6

ECA/ECB

Group 7

ECA/ECB

Refer to Figure 4

for Echo Canceller

block diagram

PLL

C4i

F0i

RESET

Timing

Unit

Microprocessor Interface

Test Port

DS CS R/W A10-A0 DTA D7-D0 IRQ TMS TDI TDO TCK TRST

Figure 1 - ZL50235 Device Overview

Zarlink Semiconductor Inc.

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

12 3 4 5 6 7...43

中文翻译

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与ZL50235相关器件

型号	品牌	获取价格	描述	数据表
ZL50235/GDC	ZARLINK	获取价格	ISDN Echo Canceller, 1-Func, CMOS, PBGA208, 17 X 17 MM, 1.30 MM HEIGHT, MO-192, LBGA-208
ZL50235/QCC	ZARLINK	获取价格	ISDN Echo Canceller, 1-Func, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, MS-026BED, LQFP-10
ZL50235/QCC	MICROSEMI	获取价格	Telecom IC, CMOS, PQFP100
ZL50235_06	ZARLINK	获取价格	16 Channel Voice Echo Canceller
ZL50235GD	ZARLINK	获取价格	16 Channel Voice Echo Canceller
ZL50235GDC	ZARLINK	获取价格	16 Channel Voice Echo Canceller
ZL50235QC	ZARLINK	获取价格	16 Channel Voice Echo Canceller
ZL50235QCC	ZARLINK	获取价格	16 Channel Voice Echo Canceller
ZL50235QCC1	MICROSEMI	获取价格	DATACOM, ISDN ECHO CANCELLER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, MS-026BED, LQFP-100
ZL50235QCG1	ZARLINK	获取价格	16 Channel Voice Echo Canceller

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