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ZL50235QCG1

Description
16 Channel Voice Echo Canceller
CategoryWireless rf/communication    Telecom circuit   
File Size636KB,43 Pages
ManufacturerZarlink Semiconductor (Microsemi)
Websitehttp://www.zarlink.com/
Environmental Compliance
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ZL50235QCG1 Overview

16 Channel Voice Echo Canceller

ZL50235QCG1 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
package instructionLFQFP,
Reach Compliance Codecompli
JESD-30 codeS-PQFP-G100
JESD-609 codee3
length14 mm
Humidity sensitivity level3
Number of functions1
Number of terminals100
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLFQFP
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.6 mm
Nominal supply voltage1.8 V
surface mountYES
Telecom integrated circuit typesISDN ECHO CANCELLER
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width14 mm
Base Number Matches1
ZL50235
16 Channel Voice Echo Canceller
Data Sheet
Features
Independent multiple channels of echo
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
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
Passed AT&T voice quality testing for carrier
grade echo cancellers
Compatible to ST-BUS and GCI interfaces with
2 Mbps serial PCM data
PCM coding,
µ/A-Law
ITU-T G.711 or sign
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
Fast reconvergence on echo path changes
Fully programmable convergence speeds
Patented Advanced Non-Linear Processor with
high quality subjective performance
Protection against narrow band signal divergence
and instability in high echo environments
V
DD1 (3.3 V)
V
SS
March 2006
Ordering Information
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
+9 dB to -12 dB level adjusters (3 dB steps) at all
signal ports
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
IEEE-1149.1 (JTAG) Test Access Port
ZL50232, ZL50233, ZL50234 and ZL50235 have
same pinouts in both LQFP and LBGA packages
Applications
Voice over IP network gateways
Voice over ATM, Frame Relay
T1/E1/J1 multichannel echo cancellation
Wireless base stations
Echo Canceller pools
DCME, satellite and multiplexer system
V
DD2 (1.8 V)
ODE
Rin
Sin
MCLK
Fsel
Serial
to
Parallel
Echo Canceller Pool
Group 0
ECA/ECB
Parallel
to
Serial
Rout
Sout
Group 1
ECA/ECB
Group 2
ECA/ECB
Group 3
ECA/ECB
Group 4
PLL
ECA/ECB
Group 5
ECA/ECB
Group 6
ECA/ECB
Group 7
ECA/ECB
Note:
Refer to Figure 4
for Echo Canceller
block diagram
C4i
F0i
Timing
Unit
RESET
Microprocessor Interface
Test Port
DS CS R/W A10-A0 DTA
D7-D0
IRQ TMS TDI TDO TCK TRST
Figure 1 - ZL50235 Device Overview
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003-2006, Zarlink Semiconductor Inc. All Rights Reserved.

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