SI7022-A20-IM1R Sensors, Transducers |
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| Allicdata Part #: | SI7022-A20-IM1R-ND |
| Manufacturer Part#: |
SI7022-A20-IM1R |
| Price: | $ 1.74 |
| Product Category: | Sensors, Transducers |
| Manufacturer: | Silicon Labs |
| Short Description: | SENS HUMID/TEMP 3.6V PWM 3% 6DFN |
| More Detail: | Humidity Temperature Sensor 0 ~ 100% RH PWM ±3% RH... |
| DataSheet: |  SI7022-A20-IM1R Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 1.58754 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Sensor Type: | Humidity, Temperature |
| Humidity Range: | 0 ~ 100% RH |
| Output Type: | PWM |
| Output: | 11b |
| Accuracy: | ±3% RH |
| Response Time: | 18s |
| Sensitivity: | -- |
| Voltage - Supply: | 1.9 V ~ 3.6 V |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C |
| Package / Case: | 6-WDFN Exposed Pad |
| Supplier Device Package: | 6-DFN (3x3) |
Description
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Humidity and moisture sensors are a type of sensing device used in industrial, environmental, and residential applications. The SI7022-A20-IM1R is a relative humidity and temperature digital sensor from Silicon Labs. It is designed to accurately measure humidity, temperature, and atmoshperic pressure and integrates features such as power management and on-board calibration. This document will discuss the application field and working principle of the device.The SI7022-A20-IM1R is a highly-accurate humidity and temperature digital sensor. It has two separate sensors, one for measuring relative humidity and one for measuring temperature. The relative humidity sensing element is an ultra-thin capacitive sensing element with a dedicated read-out circuit. This sensing element is optimized for high accuracy and extremely low power consumption. The on-board read-out circuit uses a proprietary double-gate-channel transistor to detect and measure changes in relative humidity and temperature.The device has two main applications; environmental sensing and medical monitoring. The environmental sensing application includes air quality monitoring, room lighting control, HVAC, and process analytical systems. The device can measure relative humidity in the 30 to 95% range, as well as temperature from 0 to 60°C. With the device\'s calibration feature, users can easily adjust the accuracy of their measurements.The device also finds application in medical monitoring, such as patient monitoring systems. It can be used to monitor body temperature and relative humidity levels, aiding medical teams in accurately diagnosing, treating, and preventing health problems.The device is powered by a 3V battery and can be connected directly to a PC or embedded system. The device also includes an on-board LCD display that can be used to instantly view the readings. This makes it much easier to quickly and accurately measure humidity and temperature without having to connect to a computer.The SI7022-A20-IM1R works by converting a change in the relative humidity or temperature into an electrical signal. This electrical signal is then sent to an ADC (analog-to-digital converter), which converts the signal into digital data. This digital data is then transferred to the PC or embedded system via the device\'s I2C communication interface. The device also includes an on-board EEPROM which allows the calibration values to be stored and retrieved.In summary, the SI7022-A20-IM1R is a highly-accurate humidity and temperature digital sensor from Silicon Labs. Its primary application fields are environmental sensing and medical monitoring. It is powered by a 3V battery and is capable of accurately measuring relative humidity and temperature from 30 to 95% and 0 to 60°C, respectively. With on-board calibration and an I2C communication interface, the device makes it easier for users to quickly and accurately measure humidity and temperature levels.
The specific data is subject to PDF, and the above content is for reference
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