Part # STLM75 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Digital temperature sensor and thermal watchdog


Part Details:

STLM75 Digital temperature sensor and thermal watchdog Features Measures temperatures from ­55°C to +125°C (­67°F to +257°F) ­ ±2°C accuracy from ­25°C to +100°C (max) Low operating current: 125 µA (typ) No external components required 2-wire I2C/SMBus-compatible serial interface ­ Supports bus time-out feature ­ 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 SO8 (M) Conversion time is 150 ms (max) Programmable temperature threshold and hysteresis set points Pin- and software-compatible with LM75 (drop- in replacement) Power-up defaults permit standalone operation as a thermostat Shutdown mode to minimize power consumption MSOP8 (TSSOP8) (DS) Output pin (open drain) can be configured for interrupt or comparator/thermostat mode (dual purpose event pin) Packages: ­ SO8 ­ MSOP8 (TSSOP8) July 2008 Rev 9 1/37 www.st.com 1 Contents STLM75 Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Serial communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2 Temperature sensor output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.3 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3.1 SDA (open drain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3.2 SCL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3.3


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STLM75.pdf Datasheet