Datasheet Details
Part number:
LM3822, LM3
Manufacturer:
National Semiconductor
File Size:
265.20 KB
Description:
Precision current gauge-ic.
Note:
This datasheet PDF includes multiple part numbers: LM3822, LM3.
Please refer to the document for exact specifications by model.
LM3822, LM3, Precision Current Gauge-IC
The LM3822 Current Gauge provides easy to use precision current measurement with virtually zero insertion loss (typically 0.003Ω).
The LM3822 is used for high-side sensing.
A Delta Sigma analog to digital converter is incorporated to precisely measure the current and to provide a current averaging f
LM3822 Features
* n No external sense element required n PWM output indicates the current magnitude and direction n PWM output is easily interfaced with microprocessors and controllers n Precision ∆Σ current-sense technique n Low temperature sensitivity n Internal filtering rejects false trips n Internal Power-On-Res
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