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LM73CIMK-0 Datasheet(PDF) 1 Page - Texas Instruments |
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LM73CIMK-0 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page LM73 SMBDAT SMBCLK ADDR 1 5 6 4 VDD = 2.7V to 5.5V Typical bypass 0.1 PF 3 2 To hardware shutdown To / from processor 2-wire interface Address (set as desired for one of three addresses) ALERT LM73 www.ti.com SNIS141D – OCTOBER 2005 – REVISED MAY 2009 LM73 2.7V, SOT, 11-to-14 Bit Digital Temperature Sensor with 2-Wire Interface Check for Samples: LM73 1 FEATURES KEY SPECIFICATIONS 2 • Single Address Pin Offers Choice of Three • Supply Voltage: 2.7V to 5.5V Selectable Addresses per Version for a Total • Supply Current: of Six Possible Addresses. – Operating: • SMBus and I2C-Compatible Two-Wire Interface – 320 µA (typ) • Supports 400 kHz Operation – 495 µA (max) • Shutdown Mode with One-Shot Feature – Shutdown: Available for Very Low Average Power – 8 µA (max) Consumption – 1.9 µA (typ) • Programmable Digital Temperature Resolution • Temperature Accuracy: from 11 Bits to 14 Bits. – -10°C to 80°C: ±1.0°C (max) • Fast Conversion Rate Ideal for Quick Power Up and Measuring Rapidly Changing – -25°C to 115°C: ±1.5°C (max) Temperature – -40°C to 150°C: ±2.0°C (max) • Open-Drain ALERT Output Pin Goes Active • Resolution: 0.25°C to 0.03125°C When Temperature is Above a Programmed • Conversion Time: Temperature Limit – 11-bit (0.25°C): 14 ms (max) • Very Stable, Low-Noise Digital Output. – 14-bit (0.03125°C): 112 ms (max) • UL Recognized Component DESCRIPTION APPLICATIONS The LM73 is an integrated, digital-output temperature • Portable Electronics sensor featuring an incremental Delta-Sigma ADC with a two-wire interface that is compatible with the • Notebook Computers SMBus and I2C interfaces. The host can query the • Automotive LM73 at any time to read temperature. • System Thermal Management • Office Electronics Typical Application 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2009, 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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