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TMP461 数据表(PDF) 1 Page - Texas Instruments |
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TMP461 数据表(HTML) 1 Page - Texas Instruments |
1 / 35 page TMP461 D+ D- SCL SDA THERM GND V+ ALERT/THERM2 Processor or ASIC SMBus Controller 1 2 3 4 6 9 8 7 1.7 V to 3.6 V 1.7 V to 3.6 V Built-In Thermal Transistor, Diode Overtemperature Shutdown 10 5 A1 A0 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TMP461 SBOS722B – JUNE 2015 – REVISED AUGUST 2016 TMP461 High-Accuracy Remote and Local Temperature Sensor with Pin-Programmable Bus Address 1 1 Features 1 • Remote Diode Temperature Sensor Accuracy: ±0.75°C • Local Temperature Sensor Accuracy: ±1°C • Resolution for Local and Remote Channels: 0.0625°C • Supply and Logic Voltage Range: 1.7 V to 3.6 V • 35-µA Operating Current (1 SPS), 3-µA Shutdown Current • Series Resistance Cancellation • η-Factor and Offset Correction • Programmable Digital Filter • Diode Fault Detection • Two-Wire and SMBus™ Serial Interface Compatible with Pin-Programmable Address • 10-Lead WQFN Package 2 Applications • Processor Temperature Monitoring • Telecommunication Equipment • Servers and Personal Computers • Precision Instruments • Test Equipment • Smart Batteries • Embedded Applications • LED Lighting Thermal Control 3 Description The TMP461 device is a high-accuracy, low-power remote temperature sensor monitor with a built-in local temperature sensor. The remote temperature sensors are typically low-cost discrete NPN or PNP transistors, or substrate thermal transistors or diodes that are integral parts of microprocessors, microcontrollers, or field-programmable gate arrays (FPGAs). Temperature is represented as a 12-bit digital code for both local and remote sensors, giving a resolution of 0.0625°C. The two-wire serial interface accepts the SMBus communication protocol with up to nine different pin-programmable addresses. Advanced features [such as series resistance cancellation, programmable nonideality factor (η- factor), programmable offset, programmable temperature limits, and a programmable digital filter] are combined to provide a robust thermal monitoring solution with improved accuracy and noise immunity. The TMP461 is ideal for multi-location, high-accuracy temperature measurements in a variety of communication, computing, instrumentation, and industrial applications. The device is specified for operation over a supply voltage range of 1.7 V to 3.6 V, and a temperature range of –40°C to 125°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TMP461 WQFN (10) 2.00 mm × 2.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified Block Diagram |
类似零件编号 - TMP461 |
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类似说明 - TMP461 |
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