7Semi TMP117 Accurate Digital Temperature Sensor Breakout I2C

🔍 Overview
The module is based on the TMP117 high-precision digital temperature sensor IC, a high-accuracy, low-drift temperature sensor designed for precision measurement applications.
Measures:
Temperature only
Output:
High-resolution digital data via I²C
Designed for:
Industrial-grade and precision thermal monitoring
👉 It is one of the most accurate digital temperature sensors available in this category.
⚙️ Working Principle
🌡️ Precision Bandgap Temperature Sensing
Uses an advanced bandgap-based sensing architecture
Temperature changes alter semiconductor characteristics
🔄 High-Resolution Conversion
Internal precision ADC converts signal → digital output
Includes:
Factory calibration
Linearization
👉 Provides direct, highly accurate temperature readings.
📊 Measurement Characteristics
Temperature Range
−55°C to +150°C
Accuracy
±0.1°C (typical)
±0.2°C max over wide range
Resolution
16-bit resolution
Precision up to 0.0078°C per LSB
👉 Ideal for high-precision applications.
⚡ Electrical Characteristics
Supply voltage: 1.8V to 5.5V
Low power consumption:
~150 µA (active)
~3.5 µA (shutdown mode)
🔗 Communication Interface
Interface: I²C (two-wire)
Default address: 0x48 (configurable)
👉 Supports multiple sensors on same bus.
🧠 Internal Features
✔ Factory Calibration
Individually calibrated during manufacturing
No external calibration required
✔ High Stability & Low Drift
Very low long-term drift
Maintains accuracy over time
✔ Programmable Alert Function
Configurable:
High/low temperature limits
Generates interrupt signal
✔ Conversion Modes
Continuous conversion
One-shot mode (on-demand measurement)
✔ Averaging & Filtering
Built-in averaging improves:
Noise performance
Measurement stability
🔄 Operating Behavior
✔ Continuous Monitoring
Periodically updates temperature readings
✔ One-Shot Mode
Measures only when triggered
Saves power
✔ Fast Response
High-speed conversion with configurable timing
🌡️ Environmental Characteristics
Wide operating range: −55°C to +150°C
Suitable for:
Industrial
Laboratory
Precision environments
⚠️ Limitations
Measures temperature only
Slight delay due to:
High-resolution conversion
Requires proper placement for accurate sensing
🔌 Typical Pin Configuration
VCC → Power supply
GND → Ground
SDA → I²C data
SCL → I²C clock
ALERT → Interrupt output
🧩 Functional Role
The module acts as a:
Ultra-precise temperature sensor
Digital thermal monitoring device
High-accuracy measurement component
🏁 Summary
The 7Semi TMP117 Breakout is a high-end precision temperature sensing module that:
Uses advanced bandgap sensing technology
Provides 16-bit high-resolution digital output
Offers ±0.1°C accuracy
Supports I²C communication and alert features
Is optimized for precision and industrial-grade temperature measurement