Overview
The Texas Instruments TMP102AIDRLTG4 is a low-power digital temperature sensor designed to replace NTC/PTC thermistors in applications where high accuracy is required. This device offers an accuracy of ±0.5°C without the need for calibration or external component signal conditioning. The TMP102 features a highly linear temperature sensor that does not require complex calculations or lookup tables to derive the temperature. It is equipped with an on-chip 12-bit ADC, providing resolutions down to 0.0625°C.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 1.4V to 3.6V |
| Quiescent Current | Maximum 7.5µA |
| Temperature Range | –40°C to 125°C |
| Accuracy | ±0.5°C |
| Resolution | Down to 0.0625°C (12-bit ADC) |
| Interface | SMBus™, Two-Wire, I2C |
| Package | SOT563 (1.6mm × 1.6mm) |
| Bus Speed | Fast (1 kHz to 400 kHz) and High-Speed (1 kHz to 2.85 MHz) |
Key Features
- High accuracy of ±0.5°C without calibration or external signal conditioning.
- On-chip 12-bit ADC with resolutions down to 0.0625°C.
- SMBus™, two-wire, and I2C interface compatibility.
- Supports up to four devices on one bus.
- SMBus alert function.
- Low power consumption with a maximum quiescent current of 7.5µA.
- Compact SOT563 package, 68% smaller footprint than SOT-23.
Applications
The TMP102AIDRLTG4 is designed for extended temperature measurement in various applications, including communication, computer, consumer, environmental, industrial, and instrumentation sectors. Its high accuracy and low power consumption make it suitable for a wide range of uses where precise temperature monitoring is essential.
Q & A
- What is the supply voltage range of the TMP102AIDRLTG4?
The supply voltage range is from 1.4V to 3.6V. - What is the maximum quiescent current of the TMP102AIDRLTG4?
The maximum quiescent current is 7.5µA. - What is the temperature accuracy of the TMP102AIDRLTG4?
The temperature accuracy is ±0.5°C. - What interfaces does the TMP102AIDRLTG4 support?
The device supports SMBus™, two-wire, and I2C interfaces. - What is the resolution of the TMP102AIDRLTG4's temperature sensor?
The resolution is down to 0.0625°C with a 12-bit ADC. - How many devices can be connected on one bus?
Up to four devices can be connected on one bus. - What is the package type and size of the TMP102AIDRLTG4?
The package type is SOT563, with a size of 1.6mm × 1.6mm. - What are the typical applications of the TMP102AIDRLTG4?
The device is used in communication, computer, consumer, environmental, industrial, and instrumentation applications. - Does the TMP102AIDRLTG4 have an alert function?
Yes, it features an SMBus alert function. - What is the operating temperature range of the TMP102AIDRLTG4?
The operating temperature range is from –40°C to 125°C.
