LM1830 DATASHEET PDF

The LM fluid level detector circuit is a device intended to signal the presence or absence of aqueous solutions, featuring low external parts count, wide supply operating range, internally regulated supply and AC or DC output. In a typical application where the device is employed for sensing low water levels in a tank, a simple steel probe may be inserted in the top of the tank with the tank grounded. When the water level drops below the tip of the probe, the resistance will rise between the probe and the tank and the alarm will be operated. When a non-conductive container is used, the probe may be designed in a number of different ways like a simple phono plug or other probe designs such as conductive parallel strips on printed circuit boards. Many opportunities exist for a device that can reliably control the operation of pumps or solenoid actuated valves in fluid level control applications. Applications include sump pumps, washing machines, bilge pumps, humidifiers, plating baths, coffee makers, water and waste treatment plants, cooling towers, refrigeration equipment and many others.

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February LM Fluid Detector. General Description. The LM is a monolithic bipolar integrated circuit de-. Y Low external parts count. Y Wide supply operating range. Y One side of probe input can be grounded. Y AC coupling to probe to prevent plating.

Y Internally regulated supply. Y AC or DC output. Y Beverage dispensers. Y Water softeners. Y Irrigation. Y Sump pumps. Y Aquaria. Y Radiators. Y Washing machines. Y Reservoirs.

Y Boilers. Logic and Connection Diagram. Dual-In-Line Package. Order Number LMN. Absolute Maximum Ratings. If Military Aerospace specified devices are required.

Office Distributors for availability and specifications. Supply Voltage. Power Dissipation Note 1. Output Sink Current. Operating Temperature Range. Storage Temperature Range. Lead Temp Soldering 10 seconds. Min Typ. Supply Current. Oscillator Output Voltage. Internal Reference Resistor. Detector Threshold Voltage. Detector Threshold Resistance. Output Saturation Voltage. Output Leakage. Oscillator Frequency. V PIN 12 e 16V. Note 1 The maximum junction temperature rating of the LMN is C For operation at elevated temperatures devices in the dual-in-line plastic package.

Schematic Diagram. Download LM Datasheet.

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