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ADA4661-2ARMZ

更新时间： 2024-11-30 12:53:47
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亚德诺 - ADI 运算放大器放大器电路光电二极管
页数 文件大小 规格书
32页 904K
描述
18 V, Precision, 725 A, 4 MHz, CMOS RRIO Operational Amplifier

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ADA4661-2ARMZ 数据手册

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18 V, Precision, 725 µA, 4 MHz,  
CMOS RRIO Operational Amplifier  
ADA4661-2  
Data Sheet  
FEATURES  
PIN CONNECTION DIAGRAMS  
Low power at high voltage (18 V): 725 μA maximum  
Low offset voltage  
150 µV maximum at VSY/2  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
ADA4661-2  
OUT B  
–IN B  
+IN B  
TOP VIEW  
(Not to Scale)  
300 µV maximum over entire common-mode range  
Low input bias current: 15 pA maximum  
Gain bandwidth product: 4 MHz typical at AV = 100  
Unity-gain crossover: 4 MHz typical  
−3 dB closed-loop bandwidth: 2.1 MHz typical  
Single-supply operation: 3 V to 18 V  
Dual-supply operation: 1.5 V to 9 V  
Unity-gain stable  
Figure 1. 8-Lead MSOP  
OUT A 1  
8 V+  
–IN A 2  
+IN A 3  
V– 4  
7 OUT B  
6 –IN B  
5 +IN B  
ADA4661-2  
TOP VIEW  
(Not to Scale)  
NOTES  
1. CONNECT THE EXPOSED PAD TO V– OR  
LEAVE IT UNCONNECTED.  
APPLICATIONS  
Figure 2. 8-Lead LFCSP  
Current shunt monitors  
Active filters  
Portable medical equipment  
Buffer/level shifting  
High impedance sensor interfaces  
Battery powered instrumentation  
250  
200  
150  
100  
50  
V
= 18V  
SY  
0
–50  
–100  
–150  
–200  
–250  
GENERAL DESCRIPTION  
The ADA4661-2 is a dual, precision, rail-to-rail input/output  
amplifier optimized for low power, high bandwidth, and wide  
operating supply voltage range applications.  
The ADA4661-2 performance is guaranteed at 3.0 V, 10 V,  
and 18 V power supply voltages. It is an excellent selection for  
applications that use single-ended supplies of 3.3 V, 5 V, 10 V, 12  
V and 15 V, and dual supplies of 2.5 V, 3.3 V, and 5 V. It  
uses the Analog Devices, Inc., patented DigiTrim® trimming  
technique, which achieves low offset voltage. Additionally, the  
unique design architecture of the ADA4661-2 allows it to have  
excellent power supply rejection, common-mode rejection, and  
offset voltage when operating in the common-mode voltage  
range of −VSY + 1.5 V to +VSY − 1.5 V.  
0
1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0  
(V)  
V
CM  
Figure 3. Input Offset Voltage vs. Common-Mode Voltage  
Table 1. Precision Low Power Op Amps (<1 mA)  
Supply Voltage  
5 V  
12 V to 16 V 30 V  
Single  
ADA4505-1  
AD8500  
ADA4505-2  
AD8502  
AD8506  
OP196  
OP777  
Dual  
AD8657  
OP296  
ADA4661-2  
ADA4666-2  
AD8659  
OP496  
ADA4096-2  
OP727  
AD8682  
AD8622  
ADA4096-4  
OP747  
The ADA4661-2 is specified over the extended industrial  
temperature range (−40°C to +125°C) and is available in  
8-lead MSOP and 8-lead LFCSP (3 mm × 3 mm) packages.  
Quad  
ADA4505-4  
AD8504  
AD8508  
AD8684  
AD8624  
Rev. 0  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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  
Technical Support  
©2013 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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ADA4661-2ARMZ 替代型号

型号 品牌 替代类型 描述 数据表
ADA4661-2ARMZ-RL ADI

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