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ADA4851-1_15

更新时间： 2024-11-29 01:11:23
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亚德诺 - ADI /
页数 文件大小 规格书
25页 636K
描述
Low Cost, High Speed, Rail-to-Rail, Output Op Amps

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ADA4851-1_15 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  
Qualified for automotive applications  
High speed  
130 MHz, −3 dB bandwidth  
375 V/μs slew rate  
ADA4851-1  
V
1
2
3
6
5
4
+V  
S
OUT  
–V  
POWER DOWN  
–IN  
S
+IN  
55 ns settling time to 0.1%  
Excellent video specifications  
0.1 dB flatness: 11 MHz  
Differential gain: 0.08%  
Differential phase: 0.09°  
TOP VIEW (Not to Scale)  
Figure 1. ADA4851-1, 6-Lead SOT-23 (RJ-6)  
ADA4851-2  
OUT1  
–IN1  
+IN1  
1
2
3
4
8
7
6
5
+V  
S
OUT  
–IN2  
+IN2  
Fully specified at +3 V, +5 V, and 5 V supplies  
Rail-to-rail output  
–V  
S
Output swings to within 60 mV of either rail  
Low voltage offset: 0.6 mV  
Wide supply range: 2.7 V to 12 V  
Low power: 2.5 mA per amplifier  
Power-down mode  
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
OUT  
OUT  
–IN 4  
+IN 4  
–IN 1  
+IN 1  
Available in space-saving packages  
6-lead SOT-23, 8-lead MSOP, and 14-lead TSSOP  
ADA4851-4  
TOP VIEW  
(Not to Scale)  
–V  
S
+V  
S
APPLICATIONS  
10 +IN 3  
+IN 2  
–IN 2  
Automotive infotainment systems  
Automotive driver assistance systems  
Consumer video  
9
8
–IN 3  
V
3
V
2
OUT  
OUT  
Professional video  
Video switchers  
Figure 3. ADA4851-4, 14-Lead TSSOP (RU-14)  
Active filters  
Clock buffers  
GENERAL DESCRIPTION  
The ADA4851-1 (single), ADA4851-2 (dual), and 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.  
See the Automotive Products section for more details. 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
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
0
–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)  
The ADA4851-1W, ADA4851-2W, and ADA4851-4W are  
automotive grade versions, qualified for automotive applications.  
Figure 4. Small-Signal Frequency Response  
Rev. J  
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 www.analog.com  
Fax: 781.461.3113 ©2004–2010 Analog Devices, Inc. All rights reserved.  
 
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