5秒后页面跳转
捷配首页

Datasheet > AD9879BS
AD9879BS PDF预览

AD9879BS

更新时间： 2024-02-06 17:19:37
品牌 Logo 应用领域
亚德诺 - ADI 调制解调器电缆调制解调器
页数 文件大小 规格书
24页 365K
描述
Mixed-Signal Front End Set-Top Box, Cable Modem

阅读下载

获取价格

AD9879BS 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFP
包装说明：QFP,针数：100
Reach Compliance Code：unknown风险等级：5.81
JESD-30 代码：R-PQFP-G100JESD-609代码：e3
长度：20 mm湿度敏感等级：3
功能数量：1端子数量：100
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：QFP
封装形状：RECTANGULAR封装形式：FLATPACK
峰值回流温度（摄氏度）：260认证状态：COMMERCIAL
座面最大高度：3.4 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端子面层：MATTE TIN
端子形式：GULL WING端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：14 mm

AD9879BS 数据手册

 浏览型号AD9879BS的Datasheet PDF文件第2页浏览型号AD9879BS的Datasheet PDF文件第3页浏览型号AD9879BS的Datasheet PDF文件第4页浏览型号AD9879BS的Datasheet PDF文件第5页浏览型号AD9879BS的Datasheet PDF文件第6页浏览型号AD9879BS的Datasheet PDF文件第7页 
Mixed-Signal Front End  
a
Set-Top Box, Cable Modem  
AD9879  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Low Cost 3.3 V MxFE  
™ for  
DOCSIS EURO DOCSIS DVB DAVIC Compliant  
Set-Top Box and Cable Modem Applications  
232 MHz Quadrature Digital Upconverter  
I
12  
–1  
16  
SINC  
Tx  
TX DATA  
SPORT  
DAC  
TX  
Q
12-Bit Direct IF DAC (TxDAC+™)  
DDS  
Up to 65 MHz Carrier Frequency DDS  
Programmable Sampling Clock Rates  
16ꢀ Upsampling Interpolation LPF  
Single-Tone Frequency Synthesis  
Analog Tx Output Level Adjust  
Direct Cable Amp Interface  
12-Bit, 33 MSPS Direct IF ADC  
with Optional Video Clamping Input  
10-Bit, 33 MSPS Direct IF ADC  
ꢁ-ꢂ  
ꢁ-ꢂ_OUT  
4
CAPORT  
MCLK  
CONTROL REGISTERS  
PLL  
XM/N  
2
2
RXI  
8
RXIQ[3:0]  
RXIF[11:0]  
ADC  
MUX  
MUX  
MUX  
RXQ  
10  
ADC  
RX10  
Dual 7-Bit, 16.5 MSPS Sampling I/Q ADC  
12-Bit Sigma-Delta Auxiliary DAC  
12  
ADC  
RX12  
MUX  
APPLICATIONS  
Cable Modem and Satellite Systems  
Set-Top Boxes  
CLAMP  
VIDEO  
AD9879  
Power Line Modem  
PC Multimedia  
Digital Communications  
Data and Video Modems  
QAM, OFDM, FSK Modulation  
GENERAL DESCRIPTION  
The 12-bit and 10-bit IF ADCs can convert direct IF inputs up  
to 70 MHz and run at sample rates up to 33 MSPS. A video  
input with an adjustable signal clamping level, along with the  
10-bit ADC, allow the AD9879 to process an NTSC and a  
QAM channel simultaneously.  
The AD9879 is a single-supply cable modem/set-top box mixed  
signal front end. The device contains a transmit path interpolation  
filter, a complete quadrature digital upconverter, and a transmit  
DAC. The receive path contains a 12-bit ADC, a 10-bit ADC,  
and dual 7-Bit ADCs. All internally required clocks and an output  
system clock are generated by the PLL from a single crystal or  
clock input.  
The programmable sigma-delta DAC can be used to control  
external components, such as variable gain amplifiers (VGAs) or  
voltage controlled tuners. The CA PORT provides an interface to  
the AD8321/AD8323 or AD8322/AD8327 programmable gain  
amplifier (PGA) cable drivers enabling host processor control via  
the MxFE SPORT. The AD9879 is available in a 100-lead  
MQFP package. It offers enhanced receive path undersampling  
performance and lower cost when compared with the pin compat-  
ible AD9873. The AD9879 is specified over the commercial  
(–40°C to +85°C) temperature range.  
The transmit path interpolation filter provides an upsampling  
factor of 16× with an output signal bandwidth as high as 8.3 MHz.  
Carrier frequencies up to 65 MHz with 26 bits of frequency tuning  
resolution can be generated by the direct digital synthesizer  
(DDS). The transmit DAC resolution is 12 bits and can run at  
sampling rates as high as 232 MSPS. Analog output scaling from  
0 dB to 7.5 dB in 0.5 dB steps is available to preserve SNR when  
reduced output levels are required.  
MxFE and TxDACꢀ are trademarks of Analog Devices, Inc.  
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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
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  
www.analog.com  
© Analog Devices, Inc., 2002  
1234567...24

下载PDF

与AD9879BS相关器件

型号 品牌 描述 获取价格 数据表
AD9879BSZ ADI Mixed-Signal Front End Set-Top Box, Cable Modem

获取价格
AD9879-EB ADI Mixed-Signal Front End Set-Top Box, Cable Modem

获取价格
AD9880 ADI Analog/HDMI Dual Display Interface

获取价格
AD9880/PCB ADI Analog/HDMI Dual Display Interface

获取价格
AD9880KSTZ-100 ADI Analog/HDMI Dual Display Interface

获取价格
AD9880KSTZ-150 ADI Analog/HDMI Dual Display Interface

获取价格

与AD9879BS相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证