Digital Temperature Sensor
CTS digital temperature sensors provide accurate, real-time temperature monitoring in a small, intelligent package. Featuring integrated sensing and digital output capabilities, they enable simple system integration while helping improve performance, efficiency, and thermal management.
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- Features
- Applications
- Technical Resources
- Combines a temperature-sensing element (silicon, RTD, or thermistor-based) with on-chip signal conditioning and ADC
- Provides temperature data via standard digital interfaces (e.g., I²C, SPI, 1‑Wire)
- Delivers accurate, repeatable temperature readings without external calibration
- Digital communication reduces susceptibility to electrical noise vs. analog sensors
- Simplifies system design by reducing component count and software complexity
- In advanced designs, can be used to store measured temperature values or logs if required
- Medical Body Temperature Monitoring
- Incubators
- Medical Wearables
- Industrial Battery Thermal Management
- Automotive Engine and Cabin Temperature Control
- Industrial Equipment and Automation
- Smart Devices and other Consumer Devices
- Aircraft and Defence Applications
- Power Plants and Energy Production
- HVAC and Building Temperature Monitoring
- Cold Storage and Temperature Sensitive Logistics
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Application Notes / Tech Briefs, Brochures / Catalogs
Part Numbers
| Part Number | Data Sheet |
|---|---|
| TT02-TMP118-T105-620-1500 | Download |
| TT4-TMP118-T105-OM32-1500 | Download |
| TT4-TMP118-T125-C650-1500 | Download |
| TT4-TMP118-T125-6.5-1500 | Download |
| TT4-TMP118-T125-OM-55-1500 | Download |
| TT4-TMP118-T125-OM377-1500 | Download |
Operating Characteristics
| Characteristic | Description |
|---|---|
| Sensing element | Original Texas Instruments TMP117 digital temperature sensing chip. |
| Operating range | −55°C to +150°C. |
| Accuracy spec | ±0.1°C max from −20°C to +50°C; ±0.3°C max from −55°C to +150°C. |
| Resolution | 16-bit temperature result with 0.0078°C resolution. |
| Power use | 3.5 µA at 1 Hz conversion cycle; 150 nA shutdown current. |
| Supply range | 1.8 V to 5.5 V. |
| Alert capability | Programmable temperature alert limits. |
| Mechanical / build options | Probe housing D≥ϕ5 mm and L≥40 mm; cable options available with 4-6 wires and multiple materials/lengths. |
| Address/wiring options | I2C address options: 0x48, 0x49, 0x4A, 0x4B, plus an unaddressed external option depending on wiring configuration. |
Contact Our Temp Sensor Team
Whether you seek standard products or custom designs, CTS can partner with you on your temperature sensor solution.