Overview
The TMP107-Q1, produced by Texas Instruments, is an automotive-grade digital temperature sensor designed for high accuracy and reliability. It features a UART-compatible SMAART wire interface, enabling communication over long distances up to 1000 feet (300 meters) in a daisy-chained configuration with up to 32 devices. This sensor is ideal for thermal monitoring in various industrial, instrumentation, communication, and environmental applications. It operates over a wide temperature range of −55°C to +125°C and is available in an 8-pin SOIC package.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| Operating Temperature Range | −55 | +125 | °C | |
| Supply Voltage (V+) | 1.7 | 3.3 | 5.5 | V |
| Temperature Resolution | 0.015625 °C | |||
| Accuracy (−20°C to +70°C) | ±0.4 °C | |||
| Quiescent Current (ADC conversion off, SMAART wire bus active) | 100 | μA | ||
| Shutdown Current | 3.8 | 10 | μA | |
| Package Type | SOIC-8 | |||
| Package Size | 4.90 mm × 3.90 mm |
Key Features
- UART-Compatible SMAART Wire Interface: Supports daisy-chaining of up to 32 devices on a single bus, enabling long-distance communication.
- High Accuracy: Temperature accuracy of ±0.4°C in the range from −20°C to +70°C.
- Programmable Alert Function: Two ALERTx pins for under- and overtemperature monitoring with dynamically-programmable limits.
- EEPROM Memory: Unique 5-bit address stored in electrically-erasable programmable memory for each device.
- Multiple Operating Modes: Continuous conversion, one-shot conversion, and shutdown modes for power savings and custom update rates.
- Thermal Monitoring: Ideal for extended temperature measurement in various applications.
Applications
- Industrial Applications: Suitable for thermal monitoring in industrial environments where high accuracy is required.
- Instrumentation: Used in various instrumentation applications requiring precise temperature measurement.
- Communication Systems: Applicable in communication systems that need reliable temperature monitoring over long distances).
- Environmental Monitoring: Ideal for environmental monitoring applications such as weather stations and climate control systems).
Q & A
- What is the operating temperature range of the TMP107-Q1?
The TMP107-Q1 operates over a temperature range of −55°C to +125°C).
- What is the supply voltage range for the TMP107-Q1?
The supply voltage range is from 1.7 V to 5.5 V).
- What is the temperature resolution of the TMP107-Q1?
The temperature resolution is 0.015625 °C).
- How many devices can be daisy-chained using the SMAART wire interface?
Up to 32 devices can be daisy-chained on a single bus).
- What is the accuracy of the TMP107-Q1 in the range from −20°C to +70°C?
The accuracy is ±0.4 °C in the range from −20°C to +70°C).
- Does the TMP107-Q1 have programmable alert functions?
Yes, it has two ALERTx pins for under- and overtemperature monitoring with dynamically-programmable limits).
- What types of operating modes are available for the TMP107-Q1?
The TMP107-Q1 supports continuous conversion, one-shot conversion, and shutdown modes).
- What is the package type and size of the TMP107-Q1?
The TMP107-Q1 is available in an 8-pin SOIC package with dimensions of 4.90 mm × 3.90 mm).
- Is the TMP107-Q1 suitable for automotive applications?
Yes, it is an automotive-grade temperature sensor).
- How does the EEPROM memory function in the TMP107-Q1?
The EEPROM memory stores a unique 5-bit address for each device, determined during automated address assignment).
