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OP281GSZ-REEL7 データシート(PDF) 1 Page - Analog Devices

部品番号 OP281GSZ-REEL7
部品情報  Ultralow Power, Rail-to-Rail Output Operational Amplifiers
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

OP281GSZ-REEL7 データシート(HTML) 1 Page - Analog Devices

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Ultralow Power, Rail-to-Rail Output
Operational Amplifiers
OP281/OP481
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
©1996–2007 Analog Devices, Inc. All rights reserved.
FEATURES
Low supply current: 4 μA/amplifier maximum
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
APPLICATIONS
Comparator
Battery-powered instrumentation
Safety monitoring
Remote sensors
Low voltage strain gage amplifiers
GENERAL DESCRIPTION
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 is specified at +3 V
and +5 V single supplies as well as ±5 V dual supplies.
Fabricated on Analog Devices’ CBCMOS process, the
OP281/OP481 feature a precision bipolar input and an output
that swings to within millivolts of the supplies, continuing to
sink or source current up to a voltage equal to the supply voltage.
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 μs.
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.
PIN CONFIGURATIONS
OUT A
V+
OUT B
–IN A
+IN A
V–
+IN B
–IN B
1
2
3
4
8
7
6
5
OP281
TOP VIEW
(Not to Scale)
Figure 1. 8-Lead
Narrow-Body SOIC
(R Suffix)
TOP VIEW
(Not to Scale)
OP281
1
2
3
4
8
7
6
5
OUT A
V+
OUT B
–IN A
+IN A
V–
+IN B
–IN B
Figure 2. 8-Lead TSSOP
(RU Suffix)
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
1
2
3
4
14
13
12
11
5
10
6
9
7
8
OP481
TOP VIEW
(Not to Scale)
Figure 3. 14-Lead
Narrow-Body SOIC
(R Suffix)
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
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TOP VIEW
(Not to Scale)
Figure 4. 14-Lead TSSOP
(RU Suffix)


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