TC74A4-3.3VAT
Product Overview
The TC74A4-3.3VAT belongs to the category of temperature sensors and is commonly used in electronic devices for monitoring and controlling temperature. This sensor has the characteristic of high accuracy and low power consumption, making it suitable for various applications. The package includes a small form factor and is available in tape and reel packaging with a specified quantity per reel.
Specifications
- Operating Voltage: 2.7V to 5.5V
- Temperature Range: -40°C to +125°C
- Accuracy: ±1.5°C (max) from -10°C to +85°C
- Package Type: SOT-23-5
Detailed Pin Configuration
The TC74A4-3.3VAT features a standard SOT-23-5 pin configuration: 1. GND 2. Data Output 3. Data Input 4. VDD 5. Alert Output
Functional Features
- High Accuracy: Provides precise temperature measurements.
- Low Power Consumption: Suitable for battery-powered devices.
- Digital Output: Simplifies integration with microcontrollers.
Advantages and Disadvantages
Advantages
- High accuracy
- Low power consumption
- Small form factor
Disadvantages
- Limited temperature range compared to some alternatives
- Requires external pull-up resistors for I2C communication
Working Principles
The TC74A4-3.3VAT operates based on the principles of digital temperature sensing using an on-chip bandgap temperature sensor and sigma-delta analog-to-digital converter. It converts the temperature into a digital format that can be easily read by a microcontroller.
Detailed Application Field Plans
The TC74A4-3.3VAT is widely used in various applications such as: - Consumer electronics - Industrial automation - HVAC systems - Medical devices
Detailed and Complete Alternative Models
Some alternative models to TC74A4-3.3VAT include: - LM75A: Offers wider temperature range - DS18B20: One-wire interface for simpler integration - TMP36: Analog output for specific applications
In conclusion, the TC74A4-3.3VAT temperature sensor provides high accuracy and low power consumption, making it suitable for diverse applications in the electronics industry.
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What is the TC74A4-3.3VAT?
- The TC74A4-3.3VAT is a 3.3V temperature sensor with a digital output, suitable for various technical applications.
How does the TC74A4-3.3VAT communicate with other devices?
- The TC74A4-3.3VAT communicates via a standard I2C serial interface, making it compatible with a wide range of microcontrollers and other devices.
What is the operating temperature range of the TC74A4-3.3VAT?
- The TC74A4-3.3VAT has an operating temperature range of -40°C to 125°C, making it suitable for both low and high-temperature environments.
Can the TC74A4-3.3VAT be powered by a different voltage source?
- No, the TC74A4-3.3VAT requires a 3.3V power supply for proper operation.
Is the TC74A4-3.3VAT suitable for battery-powered applications?
- Yes, the TC74A4-3.3VAT's low power consumption makes it well-suited for battery-powered applications.
What is the accuracy of the temperature readings from the TC74A4-3.3VAT?
- The TC74A4-3.3VAT has a typical accuracy of ±2°C, which may vary based on specific operating conditions.
Can the TC74A4-3.3VAT be used in industrial settings?
- Yes, the TC74A4-3.3VAT is designed to withstand industrial environments and is suitable for industrial applications.
Does the TC74A4-3.3VAT have any built-in temperature hysteresis?
- Yes, the TC74A4-3.3VAT features programmable temperature hysteresis to help minimize temperature fluctuations.
What is the package type of the TC74A4-3.3VAT?
- The TC74A4-3.3VAT is available in a small SOT-23-5 package, making it suitable for space-constrained designs.
Are there any application notes or reference designs available for the TC74A4-3.3VAT?
- Yes, the manufacturer provides comprehensive application notes and reference designs to assist with integrating the TC74A4-3.3VAT into technical solutions.