Overview
The SHTW2 is a digital humidity sensor designed for high performance with minimal power consumption. It features a compact chip-scale package measuring 1.3 x 0.7 x 0.5 mm³ and utilizes an I2C interface for communication. The sensor provides fully calibrated and linearized output.

Specifications
Humidity Sensor
- Accuracy tolerance: Typically ±3.0% RH
- Specified range: 0 to 100% RH
- Response time: 8 seconds (τ 63%)
- Long-term drift: Typically <0.25% RH per year

Temperature Sensor
- Accuracy tolerance: Typically ±0.4°C
- Specified range: -30 to +100°C
- Response time: <5 to 30 seconds (τ 63%)
- Long-term drift: Typically <0.02°C per year

Electrical Characteristics
- Supply voltage: 1.8 V
- Current consumption: 0.7 µA in idle state, 4.8 µA average at 1 measurement per second
- Power consumption: 8.6 µW average at 1 measurement per second

Ordering Information
The SHTW2 is available in tape and reel packaging with different reel sizes:
- 1,000 units: Order Number 1-101484-01
- 10,000 units: Order Number 1-101380-01

Performance Graphs
Figures illustrate typical and maximal tolerance for relative humidity and temperature at 25°C, highlighting the sensor's precision and reliability.