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AD8659ARZ

更新时间： 2024-11-20 12:33:15
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亚德诺 - ADI 运算放大器
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22 mu A, RRIO, CMOS,18 V Operational Amplifiers

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22 µA, RRIO, CMOS,18 V  
Operational Amplifiers  
AD8657/AD8659  
Data Sheet  
FEATURES  
PIN CONNECTION DIAGRAMS  
Micropower at high voltage (18 V): 22 μA maximum  
Low offset voltage: 350 µV maximum  
Low input bias current: 20 pA maximum  
Gain bandwidth product: 230 kHz at AV = 100 typical  
Unity-gain crossover: 230 kHz  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8657  
OUT B  
–IN B  
+IN B  
TOP VIEW  
(Not to Scale)  
Figure 1. AD8657 Pin Configuration, 8-Lead MSOP  
−3 dB closed-loop bandwidth: 305 kHz  
Single-supply operation: 2.7 V to 18 V  
Dual-supply operation: 1.35 V to 9 V  
Unity-gain stable  
OUT A 1  
–IN A 2  
+IN A 3  
V– 4  
8 V+  
AD8657  
TOP VIEW  
(Not to Scale)  
7 OUT B  
6 –IN B  
5 +IN B  
Excellent electromagnetic interference immunity  
NOTES  
APPLICATIONS  
1. CONNECT THE EXPOSED PAD TO V– OR  
LEAVE IT UNCONNECTED.  
Portable operating systems  
Current monitors  
Figure 2. AD8657 Pin Configuration, 8-Lead LFCSP  
4 mA to 20 mA loop drivers  
Buffer/level shifting  
Multipole filters  
Remote/wireless sensors  
Low power transimpedance amplifiers  
Note: For AD8659 pin connections and for more information  
about the pin connections for these products, see the Pin  
Configurations and Function Descriptions section.  
60  
50  
GENERAL DESCRIPTION  
The AD8657/AD8659 are dual and quad micropower, precision,  
rail-to-rail input/output amplifiers optimized for low power and  
wide operating supply voltage range applications.  
V
V
= 2.7V  
= 18V  
SY  
SY  
40  
30  
20  
10  
0
The AD8657/AD8659 operate from 2.7 V to 18 V with a typical  
quiescent supply current of 18 μA. The devices use the Analog  
Devices, Inc., patented DigiTrim® trimming technique, which  
achieves low offset voltage. The AD8657/AD8659 also have  
high immunity to electromagnetic interference.  
The combination of low supply current, low offset voltage, very  
low input bias current, wide supply range, and rail-to-rail input  
and output make the AD8657/AD8659 ideal for current  
monitoring in process and motor control applications. The  
combination of precision specifications makes these devices  
ideal for dc gain and buffering of sensor front ends or high  
impedance input sources in wireless or remote sensors or  
transmitters.  
–50  
–25  
0
25  
50  
75  
100  
125  
TEMPERATURE (°C)  
Figure 3. AD8657, Supply Current vs. Temperature  
Table 1. Precision Micropower Op Amps (<250 µA)  
Supply Voltage  
5 V  
12 V to 16 V 36 V  
Single  
AD8538  
AD8603  
ADA4051-1  
AD8539  
AD8607  
ADA4051-2  
AD8609  
OP196  
The AD8657/AD8659 are specified over the extended industrial  
temperature range (−40°C to +125°C). The AD8657 is available in  
an 8-lead MSOP package and an 8-lead LFCSP package; the  
AD8659 is available in a 14-lead SOIC package and 16-lead  
LFCSP package.  
Dual  
AD8657  
AD8659  
AD8622  
ADA4091-2  
ADA4096-2  
AD8624  
ADA4091-4  
ADA4096-4  
Quad  
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  
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 www.analog.com  
Fax: 781.461.3113 ©2011–2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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AD8659ARZ 替代型号

型号 品牌 替代类型 描述 数据表
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