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ADA4853-1

更新时间： 2024-11-04 04:31:15
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亚德诺 - ADI 运算放大器
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16页 539K
描述
Low Power, Rail-to-Rail Output, Video Op Amp with Ultralow Power Disable

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ADA4853-1 数据手册

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Low Power, Rail-to-Rail Output,  
Video Op Amp with Ultralow Power Disable  
ADA4853-1/ADA4853-2/ADA4853-3  
FEATURES  
PIN CONFIGURATIONS  
Ultralow power-down current: 0.1 μA  
Low quiescent current: 1.4 mA/amplifier  
Ideal for standard definition video  
High speed  
100 MHz, −3 dB bandwidth  
120 V/μs slew rate  
ADA4853-2  
V
1
1
2
3
4
12 +V  
OUT  
S
–IN1  
+IN1  
11  
V
2
–
+
OUT  
ADA4853-1  
V
1
2
3
6
5
4
+V  
S
OUT  
10 –IN2  
+IN2  
–
+
–V  
S
9
–V  
S
POWER DOWN  
–IN  
+IN  
0.5 dB flatness: 22 MHz  
Differential gain: 0.20%  
TOP VIEW  
(Not to Scale)  
NC = NO CONNECT  
Differential phase: 0.10°  
Single-supply operation  
Figure 1. 6-Lead SC70  
Figure 2. 16-Lead LFCSP_VQ  
ADA4853-3  
Rail-to-rail output  
Output swings to within 200 mV of either rail  
Low voltage offset: 1 mV  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
DISABLE 1  
DISABLE 2  
DISABLE 3  
V
OUT  
–IN  
+IN  
–V  
–
+
ADA4853-3  
Wide supply range: 2.65 V to 5 V  
+V  
S
+
–
S
DISABLE 1  
DISABLE 2  
DISABLE 3  
1
2
3
4
12 –V  
S
+IN  
–IN  
+IN  
–IN  
11 +IN  
10 –IN  
+
–
–
–
+
+
APPLICATIONS  
8
V
V
OUT  
+V  
S
OUT  
9
V
OUT  
Portable multimedia players  
Video cameras  
+
–
Digital still cameras  
Consumer video  
Figure 3. 16-Lead LFCSP_VQ  
Figure 4. 16-Lead TSSOP  
GENERAL DESCRIPTION  
The ADA4853-1/ADA4853-2/ADA4853-3 are low power, low  
cost, high speed, rail-to-rail output op amps with ultralow  
power disable that are ideal for portable consumer electronics.  
Despite their low price, the ADA4853-1/ADA4853-2/ADA4853-3  
provide excellent overall performance and versatility. The  
100 MHz, −3 dB bandwidth and 120 V/μs slew rate make these  
amplifiers well-suited for many general-purpose, high speed  
applications.  
With their combination of low price, excellent differential gain  
(0.2%), differential phase (0.10°), and 0.5 dB flatness out to  
22 MHz, these amplifiers are ideal for video applications.  
The ADA4853-1 is available in a 6-lead SC70, the ADA4853-2 is  
available in a 16-lead LFCSP_VQ, and the ADA4853-3 is available  
in both a 16-lead LFCSP_VQ and a 14-lead TSSOP. The  
ADA4853-1 temperature range is −40°C to +85°C, while the  
ADA4853-2/ADA4853-3 temperature range is −40°C to +105°C.  
6.5  
The ADA4853-1/ADA4853-2/ADA4853-3 voltage feedback op  
amps are designed to operate at supply voltages as low as 2.65 V  
and up to 5 V using only 1.4 mA of supply current per amplifier.  
To further reduce power consumption, the amplifiers are equipped  
with a power-down mode that lowers the supply current to less  
than 1.5 μA maximum, making them ideal in battery-powered  
applications.  
0.1V p-p  
V
R
= 5V  
= 150Ω  
S
L
6.4  
6.3  
G = +2  
6.2  
6.1  
6.0  
2.0V p-p  
5.9  
5.8  
The ADA4853-1/ADA4853-2/ADA4853-3 provide users with a  
true single-supply capability, allowing input signals to extend  
200 mV below the negative rail and to within 1.2 V of the  
positive rail. On the output, the amplifiers can swing within  
200 mV of either supply rail.  
5.7  
5.6  
5.5  
0.1  
1
10  
40  
FREQUENCY (MHz)  
Figure 5. 0.5 dB Flatness Frequency Response  
Rev. B  
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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