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TMP401AIDGKR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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TMP401AIDGKR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 24 page FEATURES D ±1°C REMOTE DIODE SENSOR D ±3°C LOCAL TEMPERATURE SENSOR D SERIES RESISTANCE CANCELLATION D THERM FLAG OUTPUT D ALERT/THERM2 FLAG OUTPUT D PROGRAMMABLE OVER/UNDER TEMPERATURE LIMITS D PROGRAMMABLE RESOLUTION: 9- to 12-Bit D DIODE FAULT DETECTION D SMBus SERIAL INTERFACE APPLICATIONS D LCD/DLPE/LCOS PROJECTORS D SERVERS D INDUSTRIAL CONTROLLERS D CENTRAL OFFICE TELECOM EQUIPMENT D DESKTOP AND NOTEBOOK COMPUTERS D STORAGE AREA NETWORKS DESCRIPTION The TMP401 is a remote temperature sensor monitor with a built-in local temperature sensor. The remote temperature sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs. Remote accuracy is ±1°C for multiple IC manufacturers, with no calibration needed. The Two-Wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to program alarm thresholds and to read temperature data. Features included in the TMP401 are series resistance cancellation, wide remote temperature measurement range (up to +150 °C), diode fault detection, and temperature alert functions. Device ID Register Manufacturer ID Register THERM Hysteresis Register Consecutive Alert Configuration Register T R T L Status Register Conversion Rate Register One− Shot Start Register D+ 1 5 7 8 2 3 Bus Interface TMP401 Resolution Register Pointer Register Configuration Register Local Temp Low Limit Local THERM Limit Local Temp High Limit Remote Temp Low Limit Remote THERM Limit Remote Temp High Limit Remote Temperature Register Local Temperature Register Temperature Comparators Interrupt Configuration SCL GND THERM 4 6 ALERT/THERM2 V+ V+ SDA D − TMP401 SBOS371 − AUGUST 2006 +15C Programmable, Remote/Local, Digital Out TEMPERATURE SENSOR www.ti.com Copyright 2006, Texas Instruments Incorporated 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. DLP is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. 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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