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LM3813, LM3 Datasheet - National Semiconductor

LM3813 Precision Current Gauge-IC

The LM3812/LM3813 Current Gauges provide easy to use precision current measurement with virtually zero insertion loss (typically 0.004Ω). The LM3812 is used for high-side sensing and the LM3813 is used for low-side sensing. A Delta Sigma analog to digital converter is incorporated to precisely measu.

LM3813 Features

* n No external sense element required n PWM output indicates the current magnitude and direction n PWM output can be interfaced with microprocessors n Precision ∆Σ current-sense technique n Low temperature sensitivity n Internal filtering rejects false trips n Internal Power-On-Reset (POR) Applicati

LM3-812.pdf

This datasheet PDF includes multiple part numbers: LM3813, LM3. Please refer to the document for exact specifications by model.
LM3813 Datasheet Preview Page 2 LM3813 Datasheet Preview Page 3

Datasheet Details

Part number:

LM3813, LM3

Manufacturer:

National Semiconductor

File Size:

258.19 KB

Description:

Precision current gauge-ic.

Note:

This datasheet PDF includes multiple part numbers: LM3813, LM3.
Please refer to the document for exact specifications by model.

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TAGS

LM3813 LM3 Precision Current Gauge-IC National Semiconductor

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