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TMP461 Datasheet High-accuracy Remote And Local Temperature Sensor

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TMP461 SBOS722B – JUNE 2015 – REVISED AUGUST 2016 TMP461 High-Accuracy Remote and Local Temperature Sensor with Pin-Programmable Bus.

General 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.

Key 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 Compati.

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