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LM76,datasheet,pdf(Serial Inte
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2009-10-22
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The LM76 is a digital temperature sensor and thermal window
comparator with an I2C™ Serial Bus interface with an
accuracy of ±1°C. This accuracy for the LM76CHM is specified
for a −10°C to 45°C temperature range, while for the
LM76CNM the temperature range is 70°C to 100°C. The
LM76CHM is specified with an accuracy ±0.5°C at 25°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.
comparator with an I2C™ Serial Bus interface with an
accuracy of ±1°C. This accuracy for the LM76CHM is specified
for a −10°C to 45°C temperature range, while for the
LM76CNM the temperature range is 70°C to 100°C. The
LM76CHM is specified with an accuracy ±0.5°C at 25°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.
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