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GXHTC3
1 Basic Performance
• Ultra low power consumption
• Supports I ² C communication protocol
•Wide operating voltage range (1.6V-5.5V)
•Small DFN6 package (2 × 2 × 0.75mm3)
•Typical accuracy: humidity ± 3% RH, temperature ± 0.3 ℃
• Factory calibration, supporting standard reflow soldering
2 Application Scenarios
• Consumer electronics
Cold chain transportation
• Smart Home
Smart Agriculture
• Communication equipment
• Photovoltaic energy storage

3. Description
GXHTC3 is a temperature and humidity sensor chip designed for consumer electronics applications. It fully meets the needs of the consumer electronics field in terms of packaging volume, power consumption, power supply voltage range, and cost-effectiveness. GXHTC3 has implemented a complete temperature and humidity sensor system on a single chip, including a capacitive humidity sensing unit, a PN junction temperature measurement unit, a 16 bit ADC, a digital signal processing circuit, a calibration data storage unit, and an I ² C digital communication interface circuit.
GXHTC3 adopts a miniaturized DFN6 package with a size of 2 × 2 × 0.75mm3, which can be applied in scenarios with strict space requirements. The humidity measurement range of GXHTC3 is 0-100% RH, and the temperature measurement range is -45 ℃ to 135 ℃. The power supply voltage range is 1.6V-5.5V, and the energy consumption per conversion is as low as 2 μ J, making it particularly suitable for mobile or wireless communication devices powered by batteries. Each GXHTC3 undergoes complete calibration before leaving the factory to ensure the consistency and accuracy of the chip. The sensor adopts a roll tape packaging to meet the standard SMD production process requirements.
Order Information
| Purchase Number | Device | Package | SPQ | Note |
| GXHTC3-T&R | GXHTC3 | DFN6 2mm*2mm |
2000 | Tape and reel |
| GXHTC3C-T&R | GXHTC3C | DFN6 2mm*2mm |
2000 | Tape and reel; covered with a dustproof breathable film |
| GXHTC3CF-T&R | GXHTC3CF | DFN6 2mm*2mm |
2000 | Tape and reel; covered with a dustproof breathable film |
Product Parameters
| Communication | IIC | Temperature measurement range | -45℃~+135℃ |
|---|---|---|---|
| Humidity measurement range | 0~100%RH | temperature accuracy | ±0.2℃ |
| Humidity accuracy | ±1.8%RH | Temperature Resolution | 0.01℃ |
| Humidity Resolution | 0.01%RH | Working Voltage | 1.6V-5.5V |
| Conversion Speed | 10ms | Average Power | 2μA@1Hz |
| Package form | DFN6 |


