AHT20
Digital humidity and temperature sensor combines a MEMS capacitive humidity element, an on-chip temperature sensor, and calibrated digital output. The device operates from a 2.2 V to 5.5 V supply and communicates over a standard I2C interface at address 0x38. It measures 0% to 100% RH with typical ±2% RH accuracy and -40 °C to 85 °C with typical ±0.3 °C temperature accuracy. The two-row SMD package has a 3 mm by 3 mm footprint and 1.0 mm height for reflow soldering.
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About AHT20
The Guangzhou Aosong Electronics AHT20 Sensors Transducers datasheet provides detailed technical specifications, pinout information, and operating characteristics. This component: Digital humidity and temperature sensor combines a MEMS capacitive humidity element, an on-chip temperature sensor, and calibrated digital output. The device operates from a 2.2 V to 5.5 V supply and communicates over a standard I2C interface at address 0x38. It measures 0% to 100% RH with typical ±2% RH accuracy and -40 °C to 85 °C with typical ±0.3 °C temperature accuracy. The two-row SMD package has a 3 mm by 3 mm footprint and 1.0 mm height for reflow soldering.. Key parameters include Humidity Accuracy: ±2 typical at 25 °C%RH, Humidity Hysteresis: ±1 typical%RH, Humidity Long-Term Drift: <1%RH/yr, Humidity Measurement Range: 0 to 100%RH, and Humidity Repeatability: ±0.1 typical%RH. AHT20 is manufactured by Guangzhou Aosong Electronics as part of their Sensors Transducers product line. On this page you can view and download the PDF datasheet, check specifications, and find similar components.
Specifications
- Manufacturer
- Guangzhou Aosong Electronics
- Category
- Sensors Transducers
- File Size
- 1 MB
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Parameters
| Humidity Accuracy | ±2 typical at 25 °C%RH |
| Humidity Hysteresis | ±1 typical%RH |
| Humidity Long-Term Drift | <1%RH/yr |
| Humidity Measurement Range | 0 to 100%RH |
| Humidity Repeatability | ±0.1 typical%RH |
| Humidity Resolution | 0.024 typical%RH |
| Humidity Response Time | 8 typical, τ63%s |
| I2C Address | 0x38 |
| Output Interface | I2C |
| Package Dimensions | 3 x 3 x 1.0mm |
| Sensor Type | Humidity and temperature |
| Supply Voltage | 2.2 to 5.5V |
| Temperature Accuracy | ±0.3 typical°C |
| Temperature Measurement Range | -40 to 85°C |
| Temperature Repeatability | ±0.1 typical°C |
| Temperature Resolution | 0.01 typical°C |
| Temperature Response Time | 5 to 30, τ63%s |