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LM6482
CMOS Dual Rail-To-Rail Input and Output Operational Amplifier
LMC6482
CMOS Dual Rail-To-Rail Input and Output Operational
Amplifier
General DescriptionThe LMC6482 providesa common-mode rangethat extends both supply rails. This rail-to-rail performance combined
with excellent accuracy, duetoa high CMRR, makesit
unique among rail-to-rail input amplifiers.is idealfor systems, suchas data acquisition,that require largeinput signalrange.The LMC6482 isalsoan excellent
upgradefor circuits using limited common-mode rangeam-
plifiers suchasthe TLC272and TLC277.
Maximum dynamic signal rangeis assuredinlow voltage
and single supply systemsbythe LMC6482’s rail-to-railout-
put swing.The LMC6482’s rail-to-rail output swingis guaran-
teedfor loads downto 600Ω.
Guaranteedlow voltage characteristicsandlow power dissi-
pation make the LMC6482 especially well-suitedfor
battery-operated systems.
LMC6482is also availablein MSOP package whichisal-
mosthalfthe sizeofa SO-8 device.
Seethe LMC6484 data sheetfora Quad CMOS operational
amplifier with these same features.
Features(Typical unless otherwise noted) Rail-to-Rail Input Common-Mode Voltage Range
(Guaranteed Over Temperature) Rail-to-Rail Output Swing (within20mVof supplyrail,
100kΩ load) Guaranteed3V,5Vand15V Performance Excellent CMRRand PSRR: 82dB Ultra Low Input Current: 20fA High Voltage Gain(RL= 500 kΩ): 130dB Specifiedfor2kΩand 600Ω loads Availablein MSOP Package
Applications Data Acquisition Systems Transducer Amplifiers Hand-held Analytic Instruments Medical Instrumentation Active Filter, Peak Detector, Sampleand Hold,pH
Meter, Current Source Improved Replacementfor TLC272, TLC277
Single Supply Buffer Circuit
Connection Diagram
Rail-To-Rail InputDS011713-1
DS011713-2
Rail-To-Rail OutputDS011713-3
DS011713-4
November 1997
LMC6482
CMOS
Dual
Rail-T
o-Rail
Input
and
Output
Operational
Amplifier 1999 National Semiconductor Corporation DS011713
