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ADA4856-3_16 PDF预览

ADA4856-3_16

更新时间: 2024-11-05 01:19:07
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
21页 573K
描述
Single-Supply, High Speed, Fixed G = 2, Rail-to-Rail Output Video Amplifier

ADA4856-3_16 数据手册

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Single-Supply, High Speed, Fixed G = +2,  
Rail-to-Rail Output Video Amplifier  
ADA4856-3  
Data Sheet  
FEATURES  
Voltage feedback architecture  
Rail-to-rail output swing: 0.1 V to 4.9 V  
High speed amplifier  
−3 dB bandwidth: 225 MHz  
0.1 dB flatness at 2 V p-p: 74 MHz  
Slew rate: 800 V/μs  
Settling time to 0.1% with 2 V step: 5 ns  
High input common-mode voltage range  
−VS − 0.2 V to +VS − 1 V  
CONNECTION DIAGRAM  
16  
15  
14  
13  
12  
11  
10  
9
+V  
NC  
+IN2  
NC  
1
2
3
4
S
OUT2  
–IN2  
ADA4856-3  
Supply range: 3 V to 5.5 V  
Differential gain error: 0.01%  
Differential phase error: 0.01°  
Low power  
7.8 mA/amplifier typical supply current  
Power-down feature  
+V  
S
PD  
5
6
7
8
NOTES  
1. NC = NO CONNECT.  
Available in 16-lead LFCSP  
2. EXPOSED PAD CONNECTED TO –V .  
S
Figure 1.  
APPLICATIONS  
Professional video  
Consumer video  
Imaging  
Instrumentation  
Base stations  
Active filters  
Buffers  
7
6
5
4
3
2
1
0
GENERAL DESCRIPTION  
V
= 5V, V  
OUT  
= 1.4V p-p  
S
V
= 3.3V, V = 1.4V p-p  
OUT  
S
The ADA4856-3 (triple) is a fixed gain of +2, single-supply, rail-  
to-rail output video amplifier. It provides excellent video  
performance with 225 MHz, −3 dB bandwidth, 800 V/μs slew rate,  
and 74 MHz, 0.1 dB flatness into a 150 Ω load. It has a wide  
input common-mode voltage range that extends 0.2 V below  
ground and 1 V below the positive rail. In addition, the output  
voltage swings within 200 mV of either supply, making this video  
amplifier easy to use on single-supply voltages as low as 3.3 V.  
V
= 3.3V, V  
= 2V p-p  
S
OUT  
V
= 5V, V = 2V p-p  
OUT  
S
The ADA4856-3 offers a typical low power of 7.8 mA per amplifier,  
while being capable of delivering up to 52 mA of load current.  
It also features a power-down function for power sensitive  
applications that reduces the supply current to 1 mA.  
R
= 150  
L
1
10  
100  
1000  
FREQUENCY (MHz)  
Figure 2. Large Signal Frequency Response  
The ADA4856-3 is available in a 16-lead LFCSP and is designed  
to work over the extended industrial temperature range of  
−40°C to +105°C.  
Rev. B  
Document Feedback  
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 ©2008–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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