Overview
The TMP421AQDCNRQ1, manufactured by Texas Instruments, is a high-precision digital temperature sensor designed for both local and remote temperature sensing applications. This model is part of the automotive-qualified product line, ensuring reliability and performance in demanding environments. It is particularly suited for automotive, industrial, and consumer electronics applications where accurate temperature monitoring is critical. The TMP421AQDCNRQ1 stands out for its integration of local and remote temperature sensing capabilities, combined with a compact form factor and low power consumption.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Temperature Range | -40 to +125 | °C | Operating range |
| Accuracy | ±1 | °C | Local temperature sensing |
| Resolution | 0.0625 | °C | Digital output |
| Supply Voltage | 2.7 to 5.5 | V | Operating voltage |
| Interface | I2C/SMBus | - | Communication protocol |
| Package | 8-pin SOIC | - | Compact form factor |
Key Features
- Combines local and remote temperature sensing in a single device.
- High accuracy of ±1°C for local temperature measurements.
- Low power consumption, ideal for battery-powered applications.
- Automotive-qualified, ensuring reliability in harsh environments.
- Compact 8-pin SOIC package for space-constrained designs.
Applications
The TMP421AQDCNRQ1 is widely used in automotive systems for monitoring engine temperature, cabin climate control, and battery management. In industrial settings, it is employed in process control, HVAC systems, and equipment monitoring. Consumer electronics applications include laptops, servers, and other devices requiring precise thermal management. Its robust design and high accuracy make it a versatile choice for various temperature sensing needs.
Q & A
1. What is the operating temperature range of the TMP421AQDCNRQ1?
The TMP421AQDCNRQ1 operates within a temperature range of -40°C to +125°C.
2. What is the accuracy of the local temperature sensor?
The local temperature sensor has an accuracy of ±1°C.
3. What communication interface does the TMP421AQDCNRQ1 use?
It uses the I2C/SMBus interface for communication.
4. Is the TMP421AQDCNRQ1 suitable for automotive applications?
Yes, it is automotive-qualified and designed for reliability in demanding environments.
5. What is the resolution of the temperature measurements?
The temperature measurements have a resolution of 0.0625°C.
6. What is the supply voltage range for the TMP421AQDCNRQ1?
The supply voltage ranges from 2.7V to 5.5V.
7. What package does the TMP421AQDCNRQ1 come in?
It is available in an 8-pin SOIC package.
8. Can the TMP421AQDCNRQ1 be used in industrial applications?
Yes, it is suitable for industrial applications such as process control and HVAC systems.
9. Does the TMP421AQDCNRQ1 support remote temperature sensing?
Yes, it supports both local and remote temperature sensing.
10. Is the TMP421AQDCNRQ1 low power?
Yes, it is designed for low power consumption, making it ideal for battery-powered applications.
