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ADA4851-2YRMZ-RL 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
分类:
放大器、缓冲器
封装:
MSOP-8
描述:
低成本，高速，轨到轨输出运算放大器 Low Cost, High Speed, Rail-to-Rail Output Op Amps
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ADA4851-2YRMZ-RL数据手册
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Low Cost, High Speed, Rail-to-Rail,
Output Op Amps
ADA4851-1/ADA4851-2/ADA4851-4
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 registered trademarks are the 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.
FEATURES
Qualified for automotive applications
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
Differential gain: 0.08%
Differential phase: 0.09°
Fully specified at +3 V, +5 V, and ±5 V supplies
Rail-to-rail output
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
Available in space-saving packages
6-lead SOT-23, 8-lead MSOP, and 14-lead TSSOP
APPLICATIONS
Automotive infotainment systems
Automotive driver assistance systems
Consumer video
Professional video
Video switchers
Active filters
Clock buffers
PIN CONFIGURATIONS
V
OUT
1
+IN
3
2
ADA4851-1
TOP VIEW (Not to Scale)
–V
S
+V
S
6
–IN
4
5
POWER DOWN
05143-001
Figure 1. ADA4851-1, 6-Lead SOT-23 (RJ-6)
OUT1
1
–IN1
2
+IN1
3
–V
S
4
+V
S
8
OUT
7
–IN2
6
+IN2
5
ADA4851-2
TOP VIEW
(Not to Scale)
05143-058
Figure 2. ADA4851-2, 8-Lead MSOP (RM-8)
1
2
3
4
5
6
7
ADA4851-4
TOP VIEW
(Not to Scale)
–IN 1
+IN 1
+V
S
V
OUT
2
–IN 2
+IN 2
V
OUT
1
14
13
12
11
10
9
8
–IN 4
+IN 4
–V
S
V
OUT
3
–IN 3
+IN 3
V
OUT
4
05143-054
Figure 3. ADA4851-4, 14-Lead TSSOP (RU-14)
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.
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.
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.
The ADA4851-1W, ADA4851-2W, and ADA4851-4W are
automotive grade versions, qualified for automotive 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).
CLOSED-LOOP GAIN (dB)
1 10010 1k
05143-004
FREQUENCY (MHz)
–6
–4
–5
–2
–3
0
–1
2
1
4
3
G = +1
V
S
= 5V
R
L
= 1kΩ
C
L
= 5pF
Figure 4. Small-Signal Frequency Response
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