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LM92 データシート

部品番号コンポーネント説明メーカー
LM92 ±0.33˚C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface National-Semiconductor
National ->Texas Instruments National-Semiconductor
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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. The INT output can operate in either a comparator or event mode, while the T_CRIT_A output operates in comparator mode only.
   
Features
■ Window comparison simplifies design of ACPI
    compatible temperature monitoring and control.
■ Serial Bus interface
■ Separate open-drain outputs for Interrupt and Critical
    Temperature shutdown
■ Shutdown mode to minimize power consumption
■ Up to 4 LM92s can be connected to a single bus
■ 12-bit + sign output
■ Operation up to 150˚C
   
Applications
■ HVAC
■ Medical Electronics
■ Electronic Test Equipment
■ System Thermal Management
■ Personal Computers
■ Office Electronics
■ Automotive
   

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