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OP270AZ/883C PDF预览

OP270AZ/883C

更新时间: 2024-11-20 20:06:43
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 365K
描述
IC DUAL OP-AMP, 75 uV OFFSET-MAX, 5 MHz BAND WIDTH, CDIP8, HERMETIC SEALED, CERDIP-8, Operational Amplifier

OP270AZ/883C 数据手册

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Dual Very Low Noise Precision  
Operational Amplifier  
OP270  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Very low noise density of 5 nV/√Hz at 1 kHz maximum  
Excellent input offset voltage of 75 μV maximum  
Low offset voltage drift of 1 μV/°C maximum  
Very high gain of 1500 V/mV minimum  
Outstanding CMR of 106 dB minimum  
Slew rate of 2.4 V/μs typical  
–IN A  
+IN A  
NC  
1
2
3
4
5
6
7
8
16 OUT A  
15 NC  
14 NC  
V–  
13 V+  
OP270  
NC  
12 NC  
+IN B  
–IN B  
NC  
11 NC  
10 OUT B  
Gain bandwidth product of 5 MHz typical  
Industry-standard 8-lead dual pinout  
9
NC  
NC = NO CONNECT  
Figure 1. 16-Lead SOIC  
(S-Suffix)  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
A
B
OUT B  
–IN B  
+IN B  
OP270  
Figure 2. 8-Lead PDIP (P-Suffix)  
8-Lead CERDIP  
(Z-Suffix)  
GENERAL DESCRIPTION  
The OP270 is a high performance, monolithic, dual operational  
amplifier with exceptionally low voltage noise density (5 nV/√Hz  
maximum at 1 kHz). It offers comparable performance to the  
industry-standard OP27 from Analog Devices, Inc.  
devices, a significant advantage for power conscious applications.  
The OP270 is unity-gain stable with a gain bandwidth product  
of 5 MHz and a slew rate of 2.4 V/μs.  
The OP270 offers excellent amplifier matching, which is  
important for applications such as multiple gain blocks, low  
noise instrumentation amplifiers, dual buffers, and low noise  
active filters.  
The OP270 features an input offset voltage of less than 75 μV  
and an offset drift of less than 1 μV/°C, guaranteed over the full  
military temperature range. Open-loop gain of the OP270 is more  
than 1,500,000 into a 10 kΩ load, ensuring excellent gain accuracy  
and linearity, even in high gain applications. The input bias  
current is less than 20 nA, which reduces errors due to signal  
source resistance. With a common-mode rejection (CMR) of  
greater than 106 dB and a power supply rejection ratio (PSRR)  
of less than 3.2 μV/V, the OP270 significantly reduces errors  
due to ground noise and power supply fluctuations. The power  
consumption of the dual OP270 is one-third less than two OP27  
The OP270 conforms to the industry-standard 8-lead DIP  
pinout. It is pin compatible with the MC1458, SE5532/A,  
RM4558, and HA5102 dual op amps, and can be used to  
upgrade systems using those devices.  
For higher speed applications, the ADA4004-2 or the AD8676 are  
recommended. For a quad op amp, see the OP470 data sheet.  
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  
www.analog.com  
Fax: 781.461.3113 ©2001–2010 Analog Devices, Inc. All rights reserved.  
 

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