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Description

The STCN75 is a high-precision digital CMOS temperature sensor IC with a sigma-delta temperature-to-digital converter and an I2C-compatible serial digital interface. It is targeted for general applications such as personal computers, system thermal management, electronics equipment, and industrial controllers, and is packaged in the industry-standard 8-lead TSSOP package.

Features

■ Measures temperatures from –55 °C to +125 °C (–67 °F to +257 °F)

– ±0.5 °C (typ) accuracy

– ±2 °C (max) accuracy from –25 °C to +100 °C

■ Low operating current:125 μA (typ)

■ No external components required

■ 2-wire I2C/SMBus-compatible serial interface

– Selectable bus address allows connection of up to eight devices on the bus

■ Wide power supply range - operating voltage range: 2.7 V to 5.5 V

■ Conversion time is 45 ms (typ)

■ Programmable temperature threshold and hysteresis set points

■ Pin- and software-compatible with TCN75 (drop-in replacement)

■ Power-up defaults permit standalone operation as a thermostat

■ Shutdown mode to minimize power consumption

■ Output pin (open drain) can be configured for interrupt or comparator/thermostat mode (dual purpose event pin)

■ MSOP8 (TSSOP8) package