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Current_sense_amplifier abstract "Current sense amplifiers (also called current shunt amplifiers) are special-purpose amplifiers that output a voltage proportional to the current flowing in a power rail. They utilize a \"current-sense resistor\" to convert the load current in the power rail to a small voltage, which is then amplified by the current-sense amplifiers. The currents in the power rail can be in the range of 1 A to 20 A, requiring the current-sense resistor to be a resistor typically in the range of 1 to 100 mΩ. These amplifiers are designed to amplify a very small \"sense voltage\" of 10 to 100 mV, in the presence of very large common-mode voltages of 5 to 30 V. DC precision (low input offset voltage) and high common-mode rejection ratio (CMRR) are distinguishing characteristics of these amplifiers. Some current sense amplifiers measure current flowing in a single direction; bidirectional amplifiers measure current flow in both directions through the sense resistor.Normal differential amplifiers and operational amplifiers powered between two power supply rails (say VCC and VEE) can only handle signals that lie between these two power rails. If a voltage outside the power supply rails is applied to the input, internal ESD protection diodes turn on, causing large currents to flow and damage these parts.Specialised current-sense amplifiers, by contrast are designed so that, when powered from a low-voltage power rail such as VCC = 5 V and VEE = 0 V, they can withstand pin voltages much higher than VCC and much lower than VEE. These amplifiers use specialized ESD structures that enable them to have this functionality. Their input stages are designed such that when the input common-mode voltage is much higher than VCC or much lower than VEE, the input amplifier stage powers itself from the input common-mode voltage instead of VCC orVEE.Examples of integrated current-sense amplifiers include LTC6101,MAX4080, AD8210,TS1100 and INA193. In special cases, no VCC pin is required to accomplish current-sensing; the MAX9938 is such a device.".
Current_sense_amplifier wikiPageExternalLink microsite.tsp?sectionId=560&tabId=2180&micrositeId=7.
Current_sense_amplifier wikiPageExternalLink ina193.html.
Current_sense_amplifier wikiPageExternalLink ts1100.
Current_sense_amplifier wikiPageExternalLink product.html.
Current_sense_amplifier wikiPageExternalLink 6101.
Current_sense_amplifier wikiPageExternalLink 12479.
Current_sense_amplifier wikiPageExternalLink 746.
Current_sense_amplifier wikiPageExternalLink current_sense.
Current_sense_amplifier wikiPageExternalLink 3597.
Current_sense_amplifier wikiPageExternalLink 5817.
Current_sense_amplifier wikiPageID "22275253".
Current_sense_amplifier wikiPageLength "3563".
Current_sense_amplifier wikiPageOutDegree "7".
Current_sense_amplifier wikiPageRevisionID "697929089".
Current_sense_amplifier wikiPageWikiLink Category:Electronic_amplifiers.
Current_sense_amplifier wikiPageWikiLink Common-mode_rejection_ratio.
Current_sense_amplifier wikiPageWikiLink Differential_amplifier.
Current_sense_amplifier wikiPageWikiLink Operational_amplifier.
Current_sense_amplifier wikiPageWikiLink Sense_amplifier.
Current_sense_amplifier wikiPageWikiLink Shunt_(electrical).
Current_sense_amplifier wikiPageWikiLinkText "Current sense amplifier".
Current_sense_amplifier wikiPageWikiLinkText "Current-mode".
Current_sense_amplifier wikiPageWikiLinkText "sense amps".
Current_sense_amplifier wikiPageUsesTemplate Template:Refimprove.
Current_sense_amplifier wikiPageUsesTemplate Template:Reflist.
Current_sense_amplifier subject Category:Electronic_amplifiers.
Current_sense_amplifier hypernym Amplifiers.
Current_sense_amplifier type Circuit.
Current_sense_amplifier type Transistor.
Current_sense_amplifier comment "Current sense amplifiers (also called current shunt amplifiers) are special-purpose amplifiers that output a voltage proportional to the current flowing in a power rail. They utilize a \"current-sense resistor\" to convert the load current in the power rail to a small voltage, which is then amplified by the current-sense amplifiers. The currents in the power rail can be in the range of 1 A to 20 A, requiring the current-sense resistor to be a resistor typically in the range of 1 to 100 mΩ.".
Current_sense_amplifier label "Current sense amplifier".
Current_sense_amplifier sameAs Q5195113.
Current_sense_amplifier sameAs m.05q6wgn.
Current_sense_amplifier sameAs Q5195113.
Current_sense_amplifier wasDerivedFrom Current_sense_amplifier?oldid=697929089.
Current_sense_amplifier isPrimaryTopicOf Current_sense_amplifier.