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ADA4800

更新时间： 2024-02-29 22:21:45
品牌 Logo 应用领域
亚德诺 - ADI 缓冲放大器
页数 文件大小 规格书
16页 210K
描述
Low Power, High Speed CCD Buffer Amplifier

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ADA4800 技术参数

Source Url Status Check Date：2013-05-01 14:56:33.71是否无铅： 含铅
是否Rohs认证： 符合生命周期：Active
零件包装代码：SOIC包装说明：HVSON, SOLCC6,.06,20
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.31.00.01
风险等级：1.62Is Samacsys：N
放大器类型：BUFFER标称带宽 (3dB)：400 MHz
最大输入失调电压：41000 µVJESD-30 代码：S-PDSO-N6
JESD-609代码：e4长度：1.6 mm
湿度敏感等级：1功能数量：1
端子数量：6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：HVSON封装等效代码：SOLCC6,.06,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：15 V
认证状态：Not Qualified座面最大高度：0.6 mm
标称压摆率：415 V/us子类别：Buffer Amplifier
最大压摆率：1.8 mA供电电压上限：18 V
标称供电电压 (Vsup)：15 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：1.6 mmBase Number Matches：1

ADA4800 数据手册

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Low Power, High Speed  
CCD Buffer Amplifier  
ADA4800  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Integrated active load and gain of 1 buffer  
Very low buffer power consumption  
As low as 20 mW on chip  
Power save feature to reduce active load current by GPO  
control  
High buffer speed  
400 MHz, −3 dB bandwidth  
415 V/μs slew rate  
Fast settling time to 1%, 2 V step: 5 ns  
Adjustable buffer bandwidth  
Push-pull output stage  
Adjustable active load current  
Small package: 1.6 mm × 1.6 mm × 0.55 mm  
ADA4800  
1
2
3
6
5
4
IN  
VEE  
OUT  
ISF  
I
ISF  
I
I
BUFF  
AL  
I
CC  
VCC  
IDRV  
+1  
I
IDRV  
Figure 1.  
APPLICATIONS  
CCD image sensor output buffer  
Digital still cameras  
Camcorders  
GENERAL DESCRIPTION  
The ADA4800 is voltage buffer integrated with an active load.  
The buffer is a low power, high speed, low noise, high slew rate,  
fast settling, fixed gain of 1 monolithic amplifier for charge-  
coupled device (CCD) applications. For CCD applications, the  
active load current source (IAL) can load the open source CCD  
sensor outputs and the buffer can drive the AFE load. The active  
current load can also be switched off, to use the ADA4800 as just  
a unity gain buffer. The buffer consumes only 20 mW of static  
power. In applications where power savings is critical, the  
ADA4800 features a power save mode (see the Power Save  
Mode section), which further reduces the total current  
consumption. The bandwidth of the ADA4800 buffer is also  
fully adjustable through the IDRV pin.  
The versatility of the ADA4800 allows for seamless interfacing  
with many CCD sensors from various manufacturers.  
The ADA4800 is designed to operate at supply voltages as low  
as 4 V and up to 17 V. It is available in a 1.6 mm × 1.6 mm ×  
0.55 mm, 6-lead LFCSP package and is rated to operate over the  
industrial temperature range of −40oC to +85oC.  
V
ISF  
+
R
10kΩ  
R
IDRV  
249kΩ  
ISF  
3V  
15V  
0.1µF  
10µF  
ISF  
VCC  
IDRV  
6
5
4
I
IDRV  
I
ISF  
I
BUFF  
ADA4800  
+1  
The buffer of the ADA4800 employs a push-pull output stage  
architecture, providing drive current and maximum slew  
capability for both rising and falling signal transitions. At a  
5 mA quiescent current setting, it provides 400 MHz, −3 dB  
bandwidth, which makes this buffer well suited for CCD  
sensors from machine vision to digital still camera applications.  
I
AL  
1
2
3
IN  
VEE  
OUT  
10Ω  
1kΩ  
49.9Ω  
22pF  
7.5V  
7.5V  
The ADA4800 is ideal for driving the input of the Analog  
Devices, Inc., 12-bit and 14-bit high resolution analog  
front ends (AFE) such as the AD9928, AD9990, AD9920A,  
AD9923A, and AD997x family.  
Figure 2. Typical Test Circuit  
Rev. A  
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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