LM1042 - Fluid Level Detector

National Semiconductor

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Datasheet Details

Part number	LM1042
Manufacturer	National Semiconductor
File Size	170.94 KB
Description	Fluid Level Detector
Datasheet	LM1042_NationalSemiconductor.pdf

LM1042 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 |