LM1042 - Fluid Level Detector

Product Overview

National Semiconductor

Datasheet Details

Part number	LM1042
Manufacturer	National Semiconductor
File Size	170.94 KB
Description	Fluid Level Detector
Datasheet	LM1042 Datasheet
Additional preview pages of the LM1042 datasheet.

Product details

Description

The LM1042 uses the thermal-resistive probe technique to measure the level of non-flammable fluids An output is provided proportional to fluid level and single shot or repeating measurements may be made All supervisory requirements to control the thermal-resistive probe including short and open circuit probe detection are incorporated within the device A second linear input for alternative sensor signals may also be selected

Features

Y Y Y Y Y Y Y Y Y Y Selectable thermal-resistance or linear probe inputs Control circuitry for thermal-resistive probe Single-shot or repeating measurements Switch on reset and delay to avoid transients Output amplifier with 10 mA source and sink capability Short or open probe detection a 50V transient protection on supply and control input 7 5V to 18V supply range Internally regulated supply b 40 C to a 80 C operation Block Diagram TL H 8709.
1 C1995 National Semiconductor Corporat.

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Published: Mar 22, 2005 |