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TMP122-EP Datasheet(PDF) 1 Page - Texas Instruments |
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TMP122-EP Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page TMP122 TMP124 SBOS272B – JUNE 2003 – REVISED DECEMBER 2003 www.ti.com DESCRIPTION The TMP122 and TMP124 are SPI-compatible temperature sensors available in SOT23-6 and SO-8 packages. Requir- ing only a pull-up resistor for complete function, the TMP122 and TMP124 temperature sensors are capable of measuring temperatures within 2 °C of accuracy over a temperature range of –40 °C to +125°C, with operation up to 150°C. Programmable resolution, programmable set points and shut down function provide versatility for any application. Low supply current and a supply range from 2.7V to 5.5V make the TMP122 and TMP124 excellent candidates for low- power applications. The TMP122 and TMP124 are ideal for extended thermal measurement in a variety of communication, computer, con- sumer, environmental, industrial, and instrumentation appli- cations. FEATURES q DIGITAL OUTPUT: SPI-Compatible Interface q PROGRAMMABLE RESOLUTION: 9- to 12-Bits + Sign q ACCURACY: ±1.5°C from –25°C to +85°C (max) ±2.0°C from –40°C to +125°C (max) q LOW QUIESCENT CURRENT: 50 µA q WIDE SUPPLY RANGE: 2.7V to 5.5V q TINY SOT23-6 AND SO-8 PACKAGES q OPERATION TO 150 °C q PROGRAMMABLE HIGH/LOW SETPOINTS Copyright © 2003, Texas Instruments Incorporated 1.5 °C Accurate Programmable Digital Temperature Sensors with SPI™ Interface 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. APPLICATIONS q POWER-SUPPLY TEMPERATURE MONITORING q COMPUTER PERIPHERAL THERMAL PROTECTION q NOTEBOOK COMPUTERS q CELL PHONES q BATTERY MANAGEMENT q OFFICE MACHINES q THERMOSTAT CONTROLS q ENVIRONMENTAL MONITORING and HVAC q ELECTROMECHANICAL DEVICE TEMPERATURE Diode Temp. Sensor ∆Σ A/D Converter OSC Control Logic Serial Interface Config and Temp Register TMP122 Temperature GND ALERT 1 2 3 6 5 4 V+ SO/I CS SCK SPI is a registered trademark of Motorola. All other trademarks are the property of their respective owners. Diode Temp. Sensor ∆Σ A/D Converter OSC Control Logic Serial Interface Config and Temp Register TMP124 Temperature SCK SO/I 1 2 3 8 7 6 NC V+ CS NC 45 GND ALERT PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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