Datasheet > AD6439-2BS

AD6439-2BS

更新时间： 2024-02-10 00:46:33

品牌	Logo	应用领域
亚德诺 - ADI		电信电信集成电路
页数	文件大小	规格书
12页	113K
描述
IC SPECIALTY TELECOM CIRCUIT, PQFP128, PLASTIC, MQFP-128, Telecom IC:Other

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AD6439-2BS 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	FQFP,	针数：	128
Reach Compliance Code：	unknown	ECCN代码：	5A991.B.1
HTS代码：	8542.39.00.01	风险等级：	5.76
JESD-30 代码：	R-PQFP-G128	长度：	20 mm
功能数量：	1	端子数量：	128
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	FQFP
封装形状：	RECTANGULAR	封装形式：	FLATPACK, FINE PITCH
认证状态：	Not Qualified	座面最大高度：	2.35 mm
标称供电电压：	3.3 V	表面贴装：	YES
电信集成电路类型：	TELECOM CIRCUIT	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	宽度：	14 mm
Base Number Matches：	1

AD6439-2BS 数据手册

Discrete Multitone (DMT) Coprocessor

for ADSL Chipsets

AD6439-2

FEATURES

GENERAL DESCRIPTION

Component in Analog Devices’ AD20msp918 ADSL

Chipset

Designed to ANSI T1.413 Issue 2/ETSI TR238/ITU

G.992.1 and G.992.2

Higher Performance

Improved Data Rates or Longer Reach

Suitable for CO (Central Office) or Residence (ATU-R

and ATU-C)

Performs All DMT Functions and Operations

Trellis Coding

The AD6439-2 Discrete Multitone Coprocessor is part of

Analog Devices’ ADSL solution: a series of flexible, standards-

based chipsets for creating high performance ADSL and SDSL

modems that implement a superset of standard Category 2

functionality. See the AD6439-2 Functional Block Diagram below.

A high-performance alternative to the AD6436 DMT Copro-

cessor, the AD6439-2 meets the functionality requirements of

ANSI T1.413 Category 2 (Trellis Coding and Echo Cancella-

tion), but is considerably more versatile. It implements both

transmit and receive paths (Trellis Coding/Decoding, IFFT/FFT,

filtering, and Echo Cancellation). Symmetric transforms allow

flexible allocation of upstream and downstream bandwidths,

including symmetric data rates. Improved digital filters exceed the

requirements of T1.413 and deliver strict spectral masks

(e.g., for VDSL compatibility).

Echo Cancellation

Symmetric Transforms (512 Point)

Flexible Allocation of Tones Upstream/Downstream

Supports Symmetric Services (SDSL)

Increased Upstream (e.g., 1 Mbps)

Supports ADSL Over ISDN (Shifted U/S, Program-

mable Pilot Tone)

Strict Filters for Spectral Compatibility

128-Lead MQFP

–40؇C to +85؇C, 3.3 V Operation, 1.1 W

FUNCTIONAL BLOCK DIAGRAM

DIGITAL FILTER

AD6439-2

Tx PATH

FILTERS

IFFT

512 PT

Tx SERIAL

Rx SERIAL

TRELLIS

DAC

ADC

ENCODE/

DECODE

FFT

512 PT

Rx PATH

FILTERS

CONTROL LOGIC

DSP PORT

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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与AD6439-2BS相关器件

型号	品牌	描述	获取价格	数据表
AD6439BS	ADI	IC SPECIALTY TELECOM CIRCUIT, PQFP128, PLASTIC, MQFP-128, Telecom IC:Other	获取价格
AD644	ADI	Dual High Speed, Implanted BiFET Op Amp	获取价格
AD644J	ADI	Dual High Speed, Implanted BiFET Op Amp	获取价格
AD644JCHIPS	ADI	暂无描述	获取价格
AD644JH	ADI	Dual High Speed, Implanted BiFET Op Amp	获取价格
AD644JH	ROCHESTER	DUAL OP-AMP, 3500uV OFFSET-MAX, 2MHz BAND WIDTH, MBCY8, HERMETIC SEALED, METAL CAN, TO-99,	获取价格

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