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ADA4851-2

更新时间： 2024-11-04 04:31:15
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亚德诺 - ADI 运算放大器
页数 文件大小 规格书
20页 455K
描述
Low Cost, High Speed, Rail-to-Rail, Output Op Amps

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ADA4851-2 数据手册

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Low Cost, High Speed, Rail-to-Rail,  
Output Op Amps  
ADA4851-1/ADA4851-2/ADA4851-4  
FEATURES  
PIN CONFIGURATIONS  
High speed  
130 MHz, −3 dB bandwidth  
375 V/μs slew rate  
55 ns settling time to 0.1%  
Excellent video specifications  
0.1 dB flatness: 11 MHz  
ADA4851-1  
V
1
2
3
6
5
4
+V  
S
OUT  
–V  
POWER DOWN  
–IN  
S
+IN  
TOP VIEW (Not to Scale)  
Figure 1. ADA4851-1, 6-Lead SOT-23 (RJ-6)  
Differential gain: 0.08%  
ADA4851-2  
Differential phase: 0.09°  
OUT1  
–IN1  
+IN1  
1
2
3
4
8
7
6
5
+V  
S
Fully specified at +3 V, +5 V, and 5 V supplies  
Rail-to-rail output  
OUT  
–IN2  
+IN2  
Output swings to within 60 mV of either rail  
Low voltage offset: 0.6 mV  
Wide supply range: 3 V to 10 V  
Low power: 2.5 mA/amplifier  
Power-down mode  
–V  
S
TOP VIEW  
(Not to Scale)  
Figure 2. ADA4851-2, 8-Lead MSOP (RM-8)  
1
2
3
4
5
6
7
14  
13  
12  
11  
V
1
V
4
Available in space-saving packages  
6-lead SOT-23, 14-lead TSSOP, and 8-lead MSOP  
OUT  
OUT  
–IN 1  
+IN 1  
–IN 4  
+IN 4  
ADA4851-4  
TOP VIEW  
(Not to Scale)  
APPLICATIONS  
+V  
–V  
S
S
10 +IN 3  
+IN 2  
–IN 2  
Consumer video  
Professional video  
Video switchers  
Active filters  
9
–IN 3  
8
V
3
V
2
OUT  
OUT  
Figure 3. ADA4851-4, 14-Lead TSSOP (RU-14)  
GENERAL DESCRIPTION  
The ADA4851-1 (single)/ADA4851-2 (dual)/ADA4851-4  
(quad) are low cost, high speed, voltage feedback rail-to-rail  
output op amps. Despite their low price, these parts provide  
excellent overall performance and versatility. The 130 MHz,  
−3 dB bandwidth and high slew rate make these amplifiers well  
suited for many general-purpose, high speed applications.  
The ADA4851 family is designed to work over the extended  
temperature range (−40°C to +125°C).  
4
G = +1  
V
R
C
= 5V  
= 1kΩ  
= 5pF  
3
2
S
L
L
1
0
The ADA4851 family is designed to operate at supply voltages  
as low as +3 V and up to 5 V. These parts provide true single-  
supply capability, allowing input signals to extend 200 mV  
below the negative rail and to within 2.2 V of the positive rail.  
On the output, the amplifiers can swing within 60 mV of either  
supply rail.  
–1  
–2  
–3  
–4  
–5  
–6  
With their combination of low price, excellent differential gain  
(0.08%), differential phase (0.09º), and 0.1 dB flatness out to  
11 MHz, these amplifiers are ideal for consumer video  
applications.  
1
10  
100  
1k  
FREQUENCY (MHz)  
Figure 4. Small Signal Frequency Response  
Rev. D  
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  
© 2006 Analog Devices, Inc. All rights reserved.  
 
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