LM1042N

Fluid Level Detector, DIP, 32V, 10 mA, 1.8W, Internally regulated supply

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Price:: US $0.50~0.55 / piece [Get Latest Price]

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PartNumber:: LM1042N

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 06+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-12-22

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Part Number:LM1042N
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Product Summary

The LM1042N is a fluid level detector. The LM1042N uses the thermal-resistive probe technique to measure the level of non-lammable 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 LM1042N. A second linear input for alternative sensor signals may also be selected.

Parametrics

LM1042N absolute maximum ratings: (1)Supply Voltage VCC: 32V; (2)Voltage at Pin 8: 32V; (3)Positive Peak Voltage: 50V; (4)Output Current Pin 4: 10 mA; (5)Output Current Pin 11: 25 mA; (6)Output Current Pin 16: ±10 mA; (7)Operating Temperature Range: -40℃ to 80℃; (8)Storage Temperature Range: -55℃ to 150℃; (9)Lead Temperature (Soldering 10 sec.): 260℃; (10)Package Power Dissipation: 1.8W; (11)Device Power Dissipation: 0.9W.

Features

LM1042N features: (1)Selectable thermal-resistance or linear probe inputs; (2)Control circuitry for thermal-resistive probe; (3)Single-shot or repeating measurements; (4)Switch on reset and delay to avoid transients; (5)Output amplifier with 10 mA source and sink capability; (6)Short or open probe detection; (7)50V transient protection on supply and control input; (8)7.5V to 18V supply range; (9)Internally regulated supply.