Datasheet Texas Instruments LM76

LM76
www.ti.com SNIS109E – JANUARY 2000 – REVISED MARCH 2013 LM76 ±0.5°C, ±1°C, 12-Bit + Sign Digital Temperature Sensor and Thermal Window
Comparator with Two-Wire Interface
Check for Samples: LM76 FEATURES DESCRIPTION The LM76 is a digital temperature sensor and thermal
window comparator with an I2C Serial Bus interface
with an accuracy of В±1В°C. This accuracy for the
LM76CHM is specified for a -10В°C to 45В°C
temperature range. The LM76CHM is specified with
an accuracy В±0.5В°C at 25В°C. The window-comparator
architecture of the LM76 eases the design of
temperature control systems conforming to the ACPI
(Advanced Configuration and Power Interface)
specification for personal computers. The open-drain
Interrupt (INT) output becomes active whenever
temperature goes outside a programmable window,
while a separate Critical Temperature Alarm
(T_CRIT_A) output becomes active when the
temperature exceeds a programmable critical limit.
The INT output can operate in either a comparator or
event mode, while the T_CRIT_A output operates in
comparator mode only. 1 2 Window Comparison Simplifies Design of
ACPI Compatible Temperature Monitoring and
Control. …