Imagens apenas para referência
SI7020-A20-IM1R
+Lista de MateriaisSENS HUMID/TEMP 3.6V I2C 4% 6DFN
-
FabricanteLaboratórios de Silício
-
Peça do Fabricante #SI7020-A20-IM1R
-
Pacote WDFN-6
-
Em Estoque3767
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Sensor Type | Humidity, Temperature |
| Humidity Range | 0 ~ 100% RH |
| Output Type | I²C |
| Output | 12b |
| Accuracy | ±4% RH |
| Response Time | 18 s |
| Voltage - Supply | 1.9V ~ 3.6V |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
Visão Geral
Description
Its humidity sensing range is from 0% to 100% relative humidity with an accuracy of ±3% RH, while the temperature sensing range is from -40°C to +125°C with an accuracy of ±0.4°C. The SI7020 uses a digital I²C interface for communication, which simplifies connectivity to microcontrollers and other devices.
Key features of the SI7020 include low power consumption, integrated calibration, and a heater function to prevent condensation. It also boasts a long-term stability of ±0.25% RH/year, ensuring reliable performance over time. These attributes make it particularly useful in applications like HVAC systems, weather stations, and consumer electronics, where precise environmental monitoring is critical.
Equivalent
1. Sensirion SHT21 - Offers similar temperature and humidity sensing capabilities.
2. Bosch BME280 - Provides temperature, humidity, and pressure sensing.
3. TE Connectivity HTU21D - Another sensor with similar functionality to the SI7020.
4. Honeywell HIH6130 - Offers digital humidity and temperature sensing.
These alternatives vary in additional features, accuracy, and interface options, so it's essential to review their specifications to ensure compatibility with your application.
Features
1. Humidity and Temperature Sensing: It provides precise relative humidity measurements with an accuracy of ±3% RH and temperature readings with an accuracy of ±0.4°C.
2. Digital Output: The sensor outputs data via an I2C interface, simplifying integration with microcontrollers and systems.
3. Low Power Consumption: Designed for energy efficiency, it is suitable for battery-operated devices.
4. Wide Operating Range: It functions effectively over a temperature range of -40°C to +125°C and a humidity range of 0 to 100% RH.
5. Fast Response Time: The sensor quickly reacts to changes in environmental conditions, improving real-time monitoring applications.
6. Compact Design: Its small form factor makes it ideal for space-constrained applications.
7. Calibration: The sensor comes factory-calibrated, requiring no additional calibration by the user.
These features make the SI7020-A20-IM1R suitable for applications in HVAC, weather stations, and other environmental monitoring systems.
Pinout
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial data line for I2C communication.
4. SCL (Pin 4): Serial clock line for I2C communication.
5. NC (Pin 5): No connect. Reserved for future use or left unconnected.
6. VDDB (Pin 6): Optional second supply voltage input. Typically connected to VDD or left open if not used.
This sensor is commonly used in applications requiring reliable and accurate measurement of environmental conditions, due to its low power consumption and factory-calibrated outputs.