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OP281GS

更新时间： 2024-11-03 21:54:47
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
16页 488K
描述
Ultralow Power, Rail-to-Rail Output Operational Amplifiers

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OP281GS 数据手册

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Ultralow Power, Rail-to-Rail Output  
Operational Amplifiers  
OP281/OP481  
FEATURES  
PIN CONFIGURATIONS  
Low Supply Current: 4 ␮A/Amplifier Max  
Single-Supply Operation: 2.7 V to 12 V  
Wide Input Voltage Range  
Rail-to-Rail Output Swing  
Low Offset Voltage: 1.5 mV  
No Phase Reversal  
8-Lead SOIC  
(R Suffix)  
8-Lead TSSOP  
(RU Suffix)  
1
8
V+  
OUT A  
–IN A  
+IN A  
V–  
1
8
5
OP281  
OUT B  
–IN B  
+IN B  
OP281  
4
4
5
APPLICATIONS  
Comparator  
Battery-Powered Instrumentation  
Safety Monitoring  
Remote Sensors  
14-Lead  
Narrow-Body SOIC  
(R Suffix)  
14-Lead TSSOP  
(RU Suffix)  
Low Voltage Strain Gage Amplifiers  
1
14  
8
OUT A  
–IN A  
+IN A  
V+  
+IN B  
–IN B  
OUT B  
1
14  
OUT D  
–IN D  
+IN D  
V–  
+IN C  
–IN C  
OUT C  
OP481  
GENERAL DESCRIPTION  
7
OP481  
The OP281 and OP481 are dual and quad ultralow power, single-  
supply amplifiers featuring rail-to-rail outputs. Each operates  
from supplies as low as 2.0 V and are specified at +3 V and +5 V  
single supply as well as ±5 V dual supplies.  
8
7
NOTE: PIN ORIENTATION IS EQUIVALENT FOR  
EACH PACKAGE VARIATION  
Fabricated on Analog Devices’ CBCMOS process, the  
OP281/OP481 features a precision bipolar input and an output  
that swings to within millivolts of the supplies and continues to  
sink or source current all the way to the supplies.  
Applications for these amplifiers include safety monitoring,  
portable equipment, battery and power supply control, and  
signal conditioning and interfacing for transducers in very low  
power systems.  
The output’s ability to swing rail-to-rail and not increase supply  
current, when the output is driven to a supply voltage, enables  
the OP281/OP481 to be used as comparators in very low power  
systems. This is enhanced by their fast saturation recovery time.  
Propagation delays are 250 ms.  
The OP281/OP481 are specified over the extended industrial  
temperature range (–40∞C to +85∞C). The OP281 dual amplifier  
is available in 8-lead SOIC surface-mount and TSSOP packages.  
The OP481 quad amplifier is available in narrow 14-lead SOIC  
and TSSOP packages.  
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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  
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OP281GS 替代型号

型号 品牌 替代类型 描述 数据表
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