OP281

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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OP281 数据手册

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)

V+

OUT A

–IN A

+IN A

V–

OP281

OUT B

–IN B

+IN B

OP281

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

OUT A

–IN A

+IN A

V+

+IN B

–IN B

OUT B

OUT D

–IN D

+IN D

V–

+IN C

–IN C

OUT C

OP481

GENERAL DESCRIPTION

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.

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

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与OP281相关器件

型号	品牌	获取价格	描述	数据表
OP281_07	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GP	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GRU	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GRU-REEL	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GRU-REEL	ROCHESTER	获取价格	DUAL OP-AMP, 2500 uV OFFSET-MAX, 0.105 MHz BAND WIDTH, PDSO8, MO-153AA, TSSOP-8
OP281GRUZ-REEL	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GS	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GS	ROCHESTER	获取价格	DUAL OP-AMP, 2500 uV OFFSET-MAX, 0.105 MHz BAND WIDTH, PDSO8, MS-012AA, SOIC-8
OP281GS-REEL	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281GS-REEL7	ADI	获取价格	Ultralow Power, Rail-to-Rail Output Operational Amplifiers

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