Low-Voltage, ±0.
5°C Accuracy Digital Thermometer and Thermostat www.
maxim-ic.
com DS620 GENERAL DESCRIPTION The DS620 digital thermometer and thermostat provides low-voltage (1.
7V £ VDD £ 3.
5V) temperature measurements with ±0.
5°C accuracy from 0°C to +70°C and an operating temperature range of -55°C to +125°C.
The DS620 communicates over a 2-wire digital interface.
For distributed-sensing applications, it is multidroppable with three address pins that allow up to eight DS620s to operate on a single bus.
The DS620 has thermostat functionality with userdefined thresholds stored in EEPROM registers, and it can be configured for standalone thermostat operation.
The programmable output (PO) pin...

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