ELM331 Datasheet Solid State Thermostat

Manufacturer: ELM Electronics

Overview: ELM331 Solid State Thermostat.

Datasheet Details

Part number	ELM331
Manufacturer	ELM Electronics
File Size	20.75 KB
Description	Solid State Thermostat
Datasheet	ELM331_ELMElectronics.pdf

General Description

The ELM331 is a complete temperature measurement and control system in an 8 pin package.

This integrated circuit is designed to compare two resistances and drive an output pin depending on the relative value of each.

Typically, one of the resistors will be an NTC thermistor, and the other one will be a temperature independent resistor (whether fixed or variable).

Key Features

Low power CMOS design - typically 1mA at 5V.
Wide supply range - 3.0 to 5.5 volt operation.
Built-in proportional hysteresis.
Measurement in progress output.
Time delay on operate improves noise immunity.
Internal pullup resistor on the reset input.
High current drive outputs - up to 25 mA Connection Diagram PDIP and SOIC (top view) VDD 1 R1 2 R2 3 reset 4 8 VSS 7 Out 6 MIP 5 Cap Block Diagram reset 4 2 R1 3 R2 5 VDD Contr.

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