Ships to you between Fri. 12 Jul to Thu. 18 Jul
STLM75M2F STMicroelectronics
Ships to you betweenFri. 19 Jul to Wed. 24 Jul
STLM75 Digital temperature sensor and thermal watchdog Features Measures temperatures from 55C to +125C (67F to +257F) 0.5C (typ) accuracy 2C (max) accuracy from 25C to +100C Low operating current: 125 A (typ) SO8 No external components required 2 2-wire I C/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 Conversion time is 150 ms (max) MSOP8 (TSSOP8) 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 Output pin (open drain) can be configured for interrupt or comparator/thermostat mode (dual purpose event pin) Packages: SO8 MSOP8 (TSSOP8) August 2010 Doc ID 13296 Rev 12 1/40 www.st.com 1Contents 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 OS/INT (open drain) 9 1.3.4 GND . 9 1.3.5 A2, A1, A0 9 1.3.6 V DD . 9 2 Operation . 10 2.1 Applications information 11 2.2 Thermal alarm function 12 2.3 Comparator mode 12 2.4 Interrupt mode . 13 2.5 Fault tolerance . 14 2.6 Shutdown mode 14 2.7 Temperature data format . 15 2.8 Bus timeout feature . 15 3 Functional description 16 3.1 Registers and register set formats 16 3.1.1 Command/pointer register . 16 3.1.2 Configuration register 17 3.1.3 Temperature register . 18 3.1.4 Overlimit temperature register (T ) . 18 OS 3.1.5 Hysteresis temperature register (T ) . 19 HYS 3.2 Power-up default conditions . 19 3.3 Serial interface . 20 3.4 2-wire bus characteristics . 20 3.4.1 Bus not busy . 20 3.4.2 Start data transfer . 20 2/40 Doc ID 13296 Rev 12