IIS2DHTR Overview
The IIS2DHTR is a highly integrated, digital-output, capacitive relative humidity and temperature sensor designed for precision industrial and consumer applications. Featuring ultra-low power consumption and a fast response time, it delivers accurate, stable measurements with minimal drift over time. The device supports I2C and SPI interfaces for easy system integration and offers a compact form factor suitable for space-constrained environments. Thanks to its robust calibration and linearization algorithms, the sensor ensures reliable environmental monitoring in HVAC systems, wearable devices, and smart home products. For additional technical details and sourcing options, visit Produttore di circuiti integrati.
IIS2DHTR Technical Specifications
| Parametro | Specifiche |
|---|---|
| Sensor Type | Capacitive Relative Humidity & Temperature |
| Humidity Measurement Range | 0 to 100 %RH |
| Humidity Accuracy | ??3 %RH (typical) |
| Temperature Measurement Range | -40 to +120 ??C |
| Temperature Accuracy | ??0.5 ??C (typical) |
| Interfaccia | I2C / SPI digital interface |
| Tensione di alimentazione | 1.7 V to 3.6 V |
| Operating Current | 3.5 ??A (typical in low-power mode) |
| Tipo di confezione | DFN 12-lead (3 x 3 x 0.9 mm) |
| Tempo di risposta | 8 seconds (typical for humidity step change) |
IIS2DHTR Key Features
- High-precision capacitive sensing: Provides accurate relative humidity and temperature data critical for environmental monitoring and control systems.
- Dual digital interface (I2C and SPI): Enables flexible integration with a variety of microcontrollers and processors, simplifying design and reducing development time.
- Ultra-low power consumption: Ideal for battery-operated and portable devices, ensuring longer operational life without compromising measurement accuracy.
- Compact and robust package: Small footprint and durable construction support deployment in space-constrained or harsh environments.
Applicazioni tipiche
- Environmental monitoring in HVAC systems where precise humidity and temperature data improve air quality control and energy efficiency.
- Wearable health and fitness devices requiring compact, low-power sensors to monitor ambient conditions accurately.
- Smart home automation products that integrate environmental sensing for comfort and energy savings.
- Industrial process control applications demanding reliable humidity and temperature measurements under varying conditions.
IIS2DHTR Advantages vs Typical Alternatives
This sensor delivers superior sensitivity and accuracy across a wide humidity and temperature range while consuming minimal power. Its dual I2C/SPI interface options enhance design flexibility compared to typical single-interface sensors. The compact DFN package and robust calibration minimize drift and improve reliability, making it a preferred choice over less integrated or higher-power alternatives in industrial and consumer environments.
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IIS2DHTR Brand Info
The IIS2DHTR is developed by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in advanced MEMS and sensor technologies, offering reliable components that combine precision, low power consumption, and ease of integration. The IIS2DHTR reflects ST??s commitment to high-quality environmental sensors tailored for industrial, consumer, and IoT applications, backed by extensive technical support and global availability.
FAQ
What communication interfaces does the IIS2DHTR support?
The device supports both I2C and SPI digital interfaces, allowing users to select the communication protocol best suited for their system architecture. This flexibility simplifies integration with various microcontrollers and processors.
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How does the IIS2DHTR perform in low-power applications?
With a typical operating current of just 3.5 ??A in low-power mode, the sensor is optimized for battery-powered and portable devices, enabling extended operation without frequent battery replacements while maintaining accurate environmental sensing.
What is the measurement accuracy for humidity and temperature?
The sensor offers typical relative humidity accuracy of ??3 %RH and temperature accuracy of ??0.5 ??C, ensuring reliable data for precise environmental control and monitoring across its operating range.