Microchip TC1047AVNBTR Linear Active Thermistor IC Technical Datasheet Overview

The Microchip TC1047AVNBTR is a precision analog output temperature sensor, also classified as a Linear Active Thermistor IC. This device converts temperature into an analog voltage with a high degree of accuracy, simplifying temperature measurement in a wide array of electronic systems. Its linear output and small package size make it an ideal solution for applications where space is constrained and performance is critical.

Housed in a SOT-23B surface-mount package, the component is designed for low power consumption, typically drawing only 35 µA of operating current. This feature is paramount for battery-powered and portable devices, extending operational life by minimizing power drain. The sensor's output voltage is directly proportional to the measured temperature, calibrated to a scale factor of 10 mV/°C. This provides a straightforward interface for analog-to-digital converters (ADCs) found on most microcontrollers, eliminating the need for complex signal conditioning or lookup tables typically associated with traditional NTC thermistors.

The operating voltage range spans from 2.5V to 5.5V, ensuring compatibility with both 3.3V and 5V systems. The TC1047AVNBTR delivers an output voltage range from 100 mV at -40°C to 1.75 V at +125°C, covering a broad industrial temperature range from -40°C to +125°C. Its accuracy is specified at ±2°C (max) at +25°C, ensuring reliable performance for environmental monitoring, system diagnostics, and thermal management.

A key advantage of this IC is its inherent linearity. Unlike negative temperature coefficient (NTC) thermistors that require linearization circuits and calibration, the TC1047 provides a linear voltage output, drastically reducing software overhead and design complexity. This makes it an excellent choice for designers seeking a simple, robust, and reliable temperature sensing solution.

ICGOODFIND: The Microchip TC1047AVNBTR stands out as an exceptionally easy-to-use, low-power, and precise temperature sensor. Its linear voltage output eliminates the design challenges of NTC thermistors, offering a superior solution for space-constrained and power-sensitive applications across consumer, industrial, and portable electronics.

Keywords: Temperature Sensor, Linear Output, Low Power Consumption, SOT-23 Package, Analog Voltage