LEM LA P: available from 11 distributors. Explore Sensors on Octopart: the fastest source for datasheets, pricing, specs and availability. Current Transducer LA P. For the electronic measurement of . This datasheet has been downloaded from: Datasheets for. LA55P datasheet, LA55P circuit, LA55P data sheet: LEM – Current Transducer LA P,alldatasheet, datasheet, Datasheet search site for Electronic.
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Note lla55p this is the worst case possible, where you continuously measure 50A DC. The power will be consumed by the transducer and the load RM.
So the maximum power drawn will consist of two components: All of these devices work using Hall-effect sensors. This is rather clever as it removes all non-linearities of the core from the performance of the device. You might want to re-phrase the question. The amplifier runs a current through the coil winding so that the flux in the core sums to zero.
(PDF) LA55P Datasheet download
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LA55P Datasheet(PDF) – LEM
What is the total power consumption of the transducer? Sign up using Facebook. Sign up or log in Sign up using Google. I suspect you only care about your power budget in which case your analysis is correct. The device itself needs 10mA continuously from both supply rails to work. If this is total consumption dstasheet both supply pinscan I except that the transducer is going to draw equally on each supply pin, i. If I s flows out of the datashewt it will be drawn from the positive supply and vv.
If you measure sine-shaped or la55p currents, I s will on average be smaller, and so the average power will drop. It is never driven into saturation if operated within spec and never leaves zero so there are no hysteresis effects either.
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In that case you will need to find the rms value of the current you measure to determine the average power you will need for driving I s. The datasheet is not very comprehensive so I am guessing a bit.