STMicroelectronics HTS221TR Humidity & Temperature Sensor, 0~100% RH, ±3.5% RH, ±0.5°C, I²C/SPI, 1.7~3.6V , LGA-6

The STMicroelectronics HTS221TR is an ultra-compact digital humidity and temperature sensor designed for accurate environmental monitoring in space-constrained applications. It integrates a polymer dielectric capacitive sensing element with a mixed-signal ASIC, delivering calibrated digital output via I²C and SPI interfaces. With a wide measurement range of 0–100% RH and -40°C to +120°C, it ensures reliable performance across diverse environments.

The sensor features low power consumption (2 µA at 1 Hz), making it ideal for battery-powered devices. Factory calibration eliminates the need for user calibration, simplifying integration. Housed in a tiny 2×2×0.9 mm LGA-6 package, it is suitable for compact electronics. 

Features:

1. 0–100% relative humidity sensing range
2. ±3.5% RH accuracy (20–80% RH)
3. ±0.5°C temperature accuracy (15–40°C)
4. Ultra-low power: 2 µA @ 1 Hz
5. Dual interface: I²C & SPI
6. Embedded 16-bit ADC
7. Factory calibrated for easy integration

Specifications:

1. Humidity Accuracy: ±3.5% RH (20–80%), ±5% RH full range
2. Humidity Sensitivity: 0.004 %RH/LSB
3. Temperature Sensitivity: 0.016 °C/LSB
4. Humidity Response Time: 10 s
5. Temperature Response Time: 15 s
6. Humidity Drift: 0.5 %RH/year
7. Temperature Drift: 0.05 °C/year
8. Output Data Rate: 1 / 7 / 12.5 Hz
9. Supply Current: 2 µA @ 1 Hz
10. Power-down Current: 0.5 µA
11. ADC Resolution: 16-bit
12. Package: LGA-6 (2×2×0.9 mm)

Package Includes:

1 x STMicroelectronics HTS221TR Humidity & Temperature Sensor, 0~100% RH, ±3.5% RH, ±0.5°C, I²C/SPI, 1.7~3.6V , LGA-6