Product Overview
The Si7023 Humidity and Temperature Sensor is a monolithic CMOS IC designed for accurate measurement of humidity and temperature. It integrates sensor elements, an analog-to-digital converter, signal processing, and calibration data, outputting a PWM signal that can be filtered to an analog voltage. Utilizing patented low-K polymeric dielectrics, it offers low power consumption, low drift, minimal hysteresis, and excellent long-term stability. Factory-calibrated and stored in on-chip non-volatile memory, the sensors are fully interchangeable. Available in a 3x3 mm DFN package, it serves as a drop-in upgrade for existing sensors, providing precision sensing over a wider range with lower power. An optional factory-installed cover protects the sensor from liquids and particulates. Ideal for applications requiring accurate humidity, dew-point, and temperature measurement.
Product Attributes
- Brand: Silicon Laboratories
- Model: Si7023-A10
- Package: 3x3 mm DFN
- Certifications: Patent Protected
- Optional Features: Factory-installed cover (hydrophobic/oleophobic)
Technical Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Relative Humidity Sensor | 080% RH | 2 | 3 | %RH | ||
| 0100% RH operating range | 0 | 100 | %RH | |||
| Temperature Sensor | 10 to 85 C | 0.3 | 0.4 | C | ||
| 40 to +125 C operating range | 40 | +125 | C | |||
| Operating Voltage | VDD | 1.9 | 3.6 | V | ||
| Current Consumption | IDD | Average Current | 150 | 300 | A | |
| Powerup Time | tPU | From VDD 1.9 V to PWM output enabled, 25 C | 48 | 55 | ms | |
| PWM Frequency | FPWM | 1.00 | 1.22 | 1.40 | kHz | |
| Response Time (RH) | 63% | 1 m/s airflow, with or without cover | 6 | s | ||
| Response Time (Temp) | 63% | Unmounted device | 0.7 | s | ||
| Long Term Stability (RH) | < 0.25 | %RH/yr | ||||
| Long Term Stability (Temp) | 0.01 | C/Yr | ||||
| Hysteresis (RH) | 1 | %RH |
2411272328_SILICON-LABS-SI7023-A10-IM_C19492235.pdf
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