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LM92 - 0.33C Accurate / 12-Bit Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface

General Description

The LM92 is a digital temperature sensor and thermal window comparator with an I2C™ Serial Bus interface and an accuracy of ± 0.33˚C.

The window-comparator architecture of the LM92 eases the design of temperature control systems.

Key Features

  • n Window comparison simplifies design of ACPI compatible temperature monitoring and control. n Serial Bus interface n Separate open-drain outputs for Interrupt and Critical Temperature shutdown Simplified Block Diagram DS101051-1 I2C ® is a registered trademark of Philips Corporation. © 2000 National Semiconductor Corporation DS101051 www. national. com LM92 Connection Diagram SO-8 DS101051-2 LM92 See NS Package Number M08A Ordering Information Order Number LM92CIM LM92CIMX Supply Volta.

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LM92 ± 0.33˚C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface March 2000 LM92 ± 0.33˚C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface General Description The LM92 is a digital temperature sensor and thermal window comparator with an I2C™ Serial Bus interface and an accuracy of ± 0.33˚C. The window-comparator architecture of the LM92 eases the design of temperature control systems. 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.