Sentech T117/T117B Series Digital Temperature Sensor IC
Product Overview
The Sentech T117 series are high-precision digital-analog mixed-signal temperature sensor ICs offering exceptional accuracy up to 0.1 without user calibration. Leveraging CMOS semiconductor PN junction temperature and bandgap voltage characteristics, these chips provide fast, low-power, and reliable temperature measurements. With a built-in 16-bit ADC, they achieve a resolution of 0.004C and operate across an ultra-wide range of -103C to +153C. Each chip undergoes 100% factory testing and calibration. They feature an I2C communication interface for high-speed board-level applications (up to 1MHz) and include non-volatile E2PROM for storing chip ID, alarm thresholds, calibration data, and user-defined information. An ALERT pin is available for hardware alarm extensions. Applications include smart wearables, electronic thermometers, medical electronics, cold chain logistics, smart home devices, and industrial environmental monitoring.
Product Attributes
- Brand: Sentech
- Interface: I2C
- Technology: CMOS Semiconductor
- Calibration: Factory calibrated, no user calibration required
- Packaging: DFN6L
Technical Specifications
| Model | Highest Accuracy | Accuracy Range | Measurement Range | Resolution | Typical Standby Current | Peak Measurement Current | Average Measurement Current | Operating Voltage Range | I2C Speed | E2PROM Space | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T117 | 0.1 | +28 to +43 | -103C to +153C | 0.004C (16-bit) | 0.01A | 0.36mA | 2A (AVG=8, 1 meas/s) | 1.8V to 5.5V | Up to 1MHz | 112-bit | DFN6L |
| T117Z | 0.1 | 0 to +50 | |||||||||
| T117W | 0.1 | +20 to +70 | |||||||||
| T117P | 0.1 | -25 to +25 | |||||||||
| T117W Plus | 0.1 | +50 to +80 (0.3 @ 0 to +90) | |||||||||
| T117B | 0.5 | 0 to +60 | |||||||||
| T117 Series (General) | 2 | -103C to +153C |
Key Features
- Highest temperature measurement accuracy: 0.1/0.5
- Wide temperature measurement range: -103C to +153C
- Low power consumption: Typical standby current 0.01A
- Wide operating voltage range: 1.8V to 5.5V
- High resolution: 16-bit output with 0.004C resolution
- Configurable temperature conversion time: 15.3ms/8.5ms/5.2ms/2.2ms
- Configurable single/periodic measurement
- User-settable temperature alarm
- Up to 112-bit additional E2PROM space for user information
- Standard I2C interface
- Self-diagnostic function for heating chip
Applications
- Smart Wearables
- Electronic Thermometers
- Animal Body Temperature Detection
- Medical Electronics
- Cold Chain Logistics & Warehousing
- Smart Home
- Heat Meters, Gas Meters, Water Meters
- Replacement for PT100/PT1000
- Board-Level Temperature Monitoring
- Industrial and Agricultural Environment Temperature
- Smart Home Appliances
- Consumer Electronics
- Temperature Measuring Instruments
2403131702_Mysentech-T117W_C22359571.pdf
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