Microchip Technology
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TC74A7-3.3VAT
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TC74A7-3.3VAT

Product Overview

Category

The TC74A7-3.3VAT belongs to the category of temperature sensors and monitors.

Use

It is used for accurately measuring and monitoring temperature in various electronic devices and systems.

Characteristics

  • High accuracy
  • Low power consumption
  • Small form factor
  • Digital output
  • Wide temperature range

Package

The TC74A7-3.3VAT comes in a small surface-mount package, making it suitable for compact designs.

Essence

The essence of TC74A7-3.3VAT lies in its ability to provide precise temperature measurements in a wide range of applications.

Packaging/Quantity

The sensor is typically packaged in reels and is available in varying quantities based on customer requirements.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +125°C
  • Accuracy: ±1°C (typical)
  • Resolution: 0.0625°C
  • Interface: I2C

Detailed Pin Configuration

The TC74A7-3.3VAT has a standard 8-pin configuration with specific pins dedicated to power supply, ground, and I2C communication.

Functional Features

  • Digital temperature sensing
  • Low standby current
  • Shutdown mode for power conservation
  • Programmable hysteresis
  • Alert function for out-of-range temperatures

Advantages

  • High accuracy over a wide temperature range
  • Low power consumption
  • Small form factor for space-constrained designs
  • Easy interfacing with microcontrollers via I2C

Disadvantages

  • Limited temperature resolution compared to some high-end sensors
  • May require external calibration for critical applications

Working Principles

The TC74A7-3.3VAT operates based on the principles of digital temperature sensing using an internal analog-to-digital converter (ADC) and I2C interface for communication with the host system. It continuously measures the ambient temperature and provides digital output for further processing.

Detailed Application Field Plans

The TC74A7-3.3VAT finds extensive application in: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - HVAC (Heating, Ventilation, and Air Conditioning)

Detailed and Complete Alternative Models

Some alternative models to TC74A7-3.3VAT include: - LM75A - DS18B20 - TMP36

In conclusion, the TC74A7-3.3VAT temperature sensor offers high accuracy, low power consumption, and a compact form factor, making it suitable for diverse temperature monitoring applications across various industries.

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Énumérez 10 questions et réponses courantes liées à l'application de TC74A7-3.3VAT dans les solutions techniques

  1. What is the operating voltage range of TC74A7-3.3VAT?

    • The operating voltage range of TC74A7-3.3VAT is 2.7V to 5.5V.

  2. What is the typical accuracy of TC74A7-3.3VAT?

    • The typical accuracy of TC74A7-3.3VAT is ±2°C.

  3. Can TC74A7-3.3VAT be used for temperature monitoring in automotive applications?

    • Yes, TC74A7-3.3VAT is suitable for temperature monitoring in automotive applications due to its wide operating voltage range and accuracy.

  4. How does TC74A7-3.3VAT communicate with a microcontroller?

    • TC74A7-3.3VAT communicates with a microcontroller using the I2C protocol.

  5. What is the power consumption of TC74A7-3.3VAT?

    • The power consumption of TC74A7-3.3VAT is very low, making it suitable for battery-powered applications.

  6. Is TC74A7-3.3VAT suitable for industrial temperature monitoring?

    • Yes, TC74A7-3.3VAT is suitable for industrial temperature monitoring due to its wide operating voltage range and accuracy.

  7. Can TC74A7-3.3VAT be used in portable consumer electronics?

    • Yes, TC74A7-3.3VAT can be used in portable consumer electronics due to its low power consumption and small form factor.

  8. Does TC74A7-3.3VAT have built-in temperature hysteresis?

    • Yes, TC74A7-3.3VAT has built-in temperature hysteresis to prevent rapid switching near the set temperature.

  9. What is the temperature range that TC74A7-3.3VAT can measure?

    • TC74A7-3.3VAT can measure temperatures from -40°C to +125°C.

  10. Is TC74A7-3.3VAT RoHS compliant?

    • Yes, TC74A7-3.3VAT is RoHS compliant, making it suitable for environmentally conscious designs.