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LM92CIMX/NOPB Datasheet(PDF) 1 Page - Texas Instruments |
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LM92CIMX/NOPB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page ![]() LM92 www.ti.com SNIS110D – MARCH 2000 – REVISED MARCH 2013 ±0.33°C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator With Two-Wire Interface Check for Samples: LM92 1 FEATURES DESCRIPTION The LM92 is a digital temperature sensor and thermal 23 • Window Comparison Simplifies Design of window comparator with an I2C™ Serial Bus interface ACPI-Compatible Temperature Monitoring and and an accuracy of ±0.33°C. The window-comparator Control architecture of the LM92 eases the design of • Serial Bus Interface temperature control systems. The open-drain Interrupt (INT) output becomes active whenever • Separate Open-Drain Outputs for Interrupt and temperature goes outside a programmable window, Critical Temperature Shutdown while a separate Critical Temperature Alarm • Shutdown Mode to Minimize Power (T_CRIT_A) output becomes active when the Consumption temperature exceeds a programmable critical limit. • Up to Four LM92s can be Connected to a The INT output can operate in either a comparator or Single Bus event mode, while the T_CRIT_A output operates in comparator mode only. • 12-Bit + Sign Output The host can program both the upper and lower limits • Operation up to 150°C of the window as well as the critical temperature limit. Programmable Hysteresis as well as a fault queue APPLICATIONS are available to minimize false tripping. Two pins (A0, • HVAC A1) are available for address selection. The sensor • Medical Electronics powers up with default thresholds of 2°C THYST, 10°C TLOW, 64°C THIGH, and 80°C T_CRIT. • Electronic Test Equipment The LM92's 2.7V to 5.5V supply voltage range, Serial • System Thermal Management Bus interface, 12-bit + sign output, and full-scale • Personal Computers range of over 128°C make it ideal for a wide range of • Office Electronics applications. These include thermal management and • Automotive protection applications in personal computers, electronic test equipment, office electronics, automotive, medical and HVAC applications. KEY SPECIFICATIONS • Supply Voltage 2.7V to 5.5V • Supply Current operating 350 μA (typ) 625 μA (max) shutdown 5 μA (typ) • Temperature Accuracy – 30°C, ±0.33°C (max) – 10°C to 50°C, ±0.50°C (max) – −10°C to 85°C, ±1.0°C (max) – 125°C, ±1.25°C (max) – −25°C to 150°C, ±1.5°C (max) • Linearity ±0.5°C (max) • Resolution 0.0625°C 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 I2C is a trademark of dcl_owner. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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