LM3813 Datasheet - National Semiconductor

Precision Current Gauge-IC

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

LM3813 General Description

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 Datasheet (258.19 KB)

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LM3813

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National Semiconductor

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258.19 KB

Description:

Precision current gauge-ic.
LM3812/LM3813 Precision Current Gauge IC with Ultra Low Loss Sense Element and PWM Output June 1999 LM3812/LM3813 Precision Current Gauge IC with Ul.

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LM3813 Precision Current Gauge-IC National Semiconductor

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LM3813 Features

LM3813 General Description

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