LM432MA ,Dual Op Amp with On-Chip Fixed 2.5V ReferenceElectrical CharacteristicsThe following specifications apply for both amplifiers at V = 5V, V = 2.5 ..
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LM433MA ,Dual Op Amp with On-Chip Fixed 2.5V ReferenceElectrical CharacteristicsThe following specifications apply for both amplifiers at V = 5V, V = 2.5 ..
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LM432MA-LM432MAX
Dual Op Amp with On-Chip Fixed 2.5V Reference
LM432
Dual Op Amp with On-Chip Fixed 2.5V Reference
General DescriptionThe LM432 integrates two operational amplifiers and one
2.5V reference. The referenceis basedon the LMV431
adjustable shunt regulator with the output voltage adjusteda fixed 2.5V. TheOp Amps are similarto the LM358 with common-mode input range that includes ground. Integrat-
ing the reference andOp Amps createsa solutionfor low
cost charging applications.
Applications Low cost charging circuitry Power supplies and adapters
Features
Dual Op Amp Circuitry(Typicalfor VS= 5V) Input offset voltage 0.6mV Input offset current 1nA Input bias current 3nA Common-mode input voltage range 0Vto VS−1V Power supply current 150µA
Reference Circuitry Reference voltage 2.5V Reference voltage deviation (−40˚Cto 85˚C) 4mV Sink Current Capability 0.2mAto 10mA
Connection Diagram
8-Pin SOICTop View
Application Circuit
Optocoupler Driver Circuitfor Power Supply Isolation
Ordering Information
Package Part Number Package Marking Transport Media NSC
Drawing
8-Pin SOIC LM432MA LM432MA Rails M08A
LM432MAX LM432MA 2.5k Unit Tape and Reel
July 2001
LM432
Dual
Amp
with
On-Chip
Fixed
2.5V
Reference
