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OP177GS-REEL7 PDF预览

OP177GS-REEL7

更新时间： 2024-11-04 03:08:55
品牌 Logo 应用领域
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
16页 349K
描述
Ultraprecision Operational Amplifier

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OP177GS-REEL7 数据手册

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Ultraprecision  
Operational Amplifier  
OP177  
FEATURES  
PIN CONFIGURATION  
Ultralow offset voltage  
TA = 25°C, 25 μV maximum  
Outstanding offset voltage drift 0.1 μV/°C maximum  
Excellent open-loop gain and gain linearity  
12 V/μV typical  
1
2
3
4
8
7
6
5
V
TRIM  
–IN  
V
TRIM  
OS  
OS  
OP177  
V+  
+IN  
V–  
OUT  
NC  
TOP VIEW  
(Not to Scale)  
NC = NO CONNECT  
CMRR: 130 dB minimum  
Figure 1. 8-Lead PDIP (P-Suffix),  
8-Lead SOIC (S-Suffix)  
PSRR: 115 dB minimum  
Low supply current 2.0 mA maximum  
Fits industry-standard precision op amp sockets  
operational amplifier. The combination of outstanding  
specifications of the OP177 ensures accurate performance in  
high closed-loop gain applications.  
GENERAL DESCRIPTION  
The OP177 features one of the highest precision performance of  
any op amp currently available. Offset voltage of the OP177 is  
only 25 μV maximum at room temperature. The ultralow VOS of  
the OP177 combines with its exceptional offset voltage drift  
(TCVOS) of 0.1 μV/°C maximum to eliminate the need for  
external VOS adjustment and increases system accuracy over  
temperature.  
This low noise, bipolar input op amp is also a cost effective  
alternative to chopper-stabilized amplifiers. The OP177  
provides chopper-type performance without the usual problems  
of high noise, low frequency chopper spikes, large physical size,  
limited common-mode input voltage range, and bulky external  
storage capacitors.  
The OP177 open-loop gain of 12 V/μV is maintained over the  
full 10 V output range. CMRR of 130 dB minimum, PSRR of  
120 dB minimum, and maximum supply current of 2 mA are  
just a few examples of the excellent performance of this  
The OP177 is offered in the −40°C to +85°C extended industrial  
temperature ranges. This product is available in 8-lead PDIP, as  
well as the space saving 8-lead SOIC.  
FUNCTIONAL BLOCK DIAGRAM  
V+  
(OPTIONAL NULL)  
R
*
R
*
2A  
2B  
C
1
R
7
R
R
1A  
1B  
Q
2B  
19  
R
Q
Q
10  
9
9
Q
Q
12  
11  
Q
Q
Q
8
7
Q
Q
Q
6
Q
Q
OUTPUT  
3
5
4
R
R
C
Q
3
C
3
2
17  
NONINVERTING  
INPUT  
Q
R
27  
26  
25  
10  
Q
16  
15  
R
Q
1
R
5
Q
Q
Q
Q
20  
21  
23  
24  
Q
Q
22  
4
INVERTING  
INPUT  
Q
2
Q
18  
R
Q
14  
Q
13  
6
8
V–  
*R AND R ARE ELECTRONICALLY ADJUSTED ON CHIP AT FACTORY.  
2A 2B  
Figure 2. Simplified Schematic  
Rev. E  
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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OP177GS-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
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