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ADA4320-1ACPZ-R7 PDF预览

ADA4320-1ACPZ-R7

更新时间： 2024-02-11 04:12:24
品牌 Logo 应用领域
亚德诺 - ADI 线路驱动器或接收器驱动程序和接口接口集成电路PC
页数 文件大小 规格书
16页 365K
描述
High Power, Low Distortion Upstream

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ADA4320-1ACPZ-R7 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：QFN
包装说明：5 X 4 MM, ROHS COMPLIANT, LFCSP-24针数：24
Reach Compliance Code：unknown风险等级：5.53
差分输出：YES驱动器位数：1
输入特性：DIFFERENTIAL接口集成电路类型：LINE DRIVER
JESD-30 代码：R-XQCC-N24JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：225座面最大高度：1 mm
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：MATTE TIN
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

ADA4320-1ACPZ-R7 数据手册

 浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第2页浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第3页浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第4页浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第5页浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第6页浏览型号ADA4320-1ACPZ-R7的Datasheet PDF文件第7页 
High Power, Low Distortion Upstream  
CATV Line Driver  
ADA4320-1  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Supports CableLabs® DOCSIS 3.0/2.0 and EuroDOCSIS  
3.0/2.0 specifications for customer premises equipment  
(CPE) upstream transmission  
VIN–  
VIN+  
VOUT+  
VOUT–  
DIFF OR  
SINGLE  
INPUT  
AMP  
ATTENUATION  
CORE  
POWER  
AMP  
VERNIER  
5 V single-supply operation  
Z
300Ω  
DIFF =  
Excellent adjacent channel rejection performance  
−66 dBc ACPR for a single QPSK channel  
−63 dBc ACPR for 4× QAM64 channels  
Gain programmable in 1 dB steps over a 59 dB range  
Gain range: −27 dB to +32 dB  
OUT  
8
Z
Z
(SINGLE) = 320Ω  
(DIFF) = 640Ω  
IN  
IN  
DECODE  
8
POWER-DOWN  
LOGIC  
RAMP  
DATA LATCH  
8
ADA4320-1  
SHIFT  
REGISTER  
Current-scaled output stage  
GND  
DATEN SDATA CLK  
TXEN  
SLEEP  
Low between-burst output noise level  
−70 dB mV in 160 kHz bandwidth  
Figure 1.  
Maintains constant output impedance in enable, disable,  
and sleep conditions  
Selectable low power modes  
12 mA in Tx disable  
12 μA in sleep mode (full power-down)  
3-wire, SPI-compatible interface  
4 mm × 5 mm 24-lead LFCSP, RoHS compliant  
APPLICATIONS  
DOCSIS 3.0 and EuroDOCSIS cable modems/E-MTAs  
DOCSIS 3.0 set-top boxes  
CATV telephony modems  
Coaxial or twisted pair line drivers  
GENERAL DESCRIPTION  
The ADA4320-1 is a high power, ultralow distortion amplifier  
designed for CATV reverse channel line driving. Its features and  
specifications make the ADA4320-1 ideally suited for DOCSIS 3.0-  
and EuroDOCSIS 3.0-based applications. Both gain and output  
stage current are controlled via a 3-wire (SPI-compatible) interface.  
A single 8-bit serial word selects one of four available supply  
current presets and one of sixty gain codes.  
The ADA4320-1 features an output driver stage that scales  
quiescent current consumption according to gain setting. In  
multichannel mode at maximum gain (32 dB), the device draws  
260 mA from a single 5 V supply, enabling the high power,  
ultralow distortion performance required by multiple DOCSIS 3.0  
upstream channels. For lifeline E-MTA applications, the ADA4320-1  
output stage current can be throttled via SPI commands, reducing  
the power requirement for single-channel transmission by up to  
30%. In transmit-disable mode, the ADA4320-1 draws only 12 mA.  
The device also features a full power-down sleep mode that  
further reduces current draw to12 μA typical.  
The ADA4320-1 has been tailored to address both the high output  
drive and stringent fidelity requirements of DOCSIS 3.0. The  
part is able to maintain excellent adjacent channel rejection  
performance over the full 5 MHz to 85 MHz range, even with  
multiple bonded channels at maximum specified output levels.  
The ADA4320-1 is packaged in a RoHS-compliant, 24-lead  
exposed pad LFCSP and is rated for operation over the −40°C  
to +85°C temperature range.  
The ADA4320-1 accepts a differential or single-ended input  
signal. The output is specified for driving a single-ended 75 Ω  
load through a 4:1 impedance transformer.  
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 that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2010 Analog Devices, Inc. All rights reserved.  
 
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