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ADA4862-3

更新时间： 2024-11-28 04:31:15
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
16页 357K
描述
High Speed, G = +2, Low Cost, Triple Op Amp

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ADA4862-3 数据手册

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High Speed, G = +2,  
Low Cost, Triple Op Amp  
ADA4862-3  
FEATURES  
PIN CONFIGURATION  
Ideal for RGB/HD/SD video  
Supports 1080i/720p resolution  
High speed  
−3 dB bandwidth: 300 MHz  
Slew rate: 750 V/μs  
Settling time: 9 ns ( 0.5%)  
0.1 dB flatness: 65 MHz  
Differential gain: 0.02%  
Differential phase: 0.03°  
Wide supply range: 5 V to 12 V  
Low power: 5.3 mA/amp  
Low voltage offset (RTO): 3.5 mV (typ)  
High output current: 25 mA  
Also configurable for gains of +1, −1  
Power-down  
550Ω  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
POWER DOWN 1  
POWER DOWN 2  
POWER DOWN 3  
V
2
OUT  
–IN 2  
+IN 2  
550Ω  
ADA4862-3  
+V  
–V  
S
S
+IN 1  
–IN 1  
+IN 3  
–IN 3  
550Ω  
550Ω  
8
V
1
V
3
OUT  
OUT  
550Ω  
550Ω  
Figure 1. 14-Lead SOIC (R-14)  
APPLICATIONS  
Consumer video  
Professional video  
Filter buffers  
GENERAL DESCRIPTION  
The ADA4862-3 (triple) is a low cost, high speed, internally  
fixed, G = +2 op amp, which provides excellent overall  
performance for high definition and RGB video applications.  
The 300 MHz, G = +2, −3 dB bandwidth, and 750 V/μs slew  
rate make this amplifier well suited for many high speed  
applications. The ADA4862-3 can also be configured to  
operate in gains of G = +1 and G = −1.  
The ADA4862-3 is available in a 14-lead SOIC package and is  
designed to work in the extended temperature range of −40°C  
to +105°C.  
6.1  
6.0  
V
= +5V  
S
5.9  
5.8  
5.7  
5.6  
5.5  
5.4  
5.3  
5.2  
5.1  
With its combination of low price, excellent differential gain  
(0.02%), differential phase (0.03°), and 0.1 dB flatness out to  
65 MHz, this amplifier is ideal for both consumer and  
professional video applications.  
G = +2  
V
= ±5V  
S
R
C
= 150Ω  
L
L
= 4pF  
= 2V p-p  
V
OUT  
The ADA4862-3 is designed to operate on supply voltages as  
low as +5 V and up to 5 V using only 5.3 mA/amp of supply  
current. To further reduce power consumption, each amplifier  
is equipped with a power-down feature that lowers the supply  
current to 200 μA/amp. The ADA4862-3 also consumes less  
board area because feedback and gain set resistors are on-chip.  
Having the resistors on chip simplifies layout and minimizes the  
required board space.  
0.1  
1
10  
FREQUENCY (MHz)  
100  
1000  
Figure 2. Large Signal 0.1 dB Bandwidth for Various Supplies  
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  
© 2005 Analog Devices, Inc. All rights reserved.  
 
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