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SI7005-B-GM1R

Name: SI7005-B-GM1R
Rating: 4.7 (12 reviews)

SENS HUMI/TEMP 3.3V I2C 3% 24QFN

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Mfr。パート #SI7005-B-GM1R
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データシート SI7005-B-GM1R DataSheet
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仕様

Part Status	Obsolete
Sensor Type	Humidity, Temperature
Humidity Range	0 ~ 100% RH
Output Type	I2C
Output	12b
Accuracy	±3% RH
Response Time	8 s
Voltage - Supply	2.1V ~ 3.6V
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Package / Case	24-LFQFN Exposed Pad
Supplier Device Package	24-QFN (4x4)
Base Product Number	SI7005

概要

Description

The SI7005-B-GM1R is a digital temperature and humidity sensor developed by Silicon Labs. It features a compact design, making it suitable for various applications, including HVAC systems, weather monitoring, and consumer electronics. The sensor provides accurate measurements of humidity from 0% to 100% and temperature from -40°C to 125°C, with high precision and low power consumption.
This device communicates via a digital I²C interface, facilitating easy integration into microcontroller-based systems. It also includes built-in calibration, ensuring consistent performance over time. The SI7005-B-GM1R is designed for use in environments requiring reliable sensor data while maintaining energy efficiency, making it ideal for battery-operated devices.
Overall, the SI7005-B-GM1R combines precision, compactness, and low power usage, making it a versatile choice for a wide range of applications in environmental sensing.

Features

The SI7005-B-GM1R is a digital humidity and temperature sensor from Silicon Labs. Key features include:
1. High Accuracy: It provides ±3% relative humidity (RH) and ±0.4°C temperature accuracy across its measurement range.
2. Wide Operating Range: Humidity range from 0% to 100% RH and temperature range from -40°C to +125°C.
3. Digital Output: Communicates via I2C interface, allowing easy integration with microcontrollers and other devices.
4. Low Power Consumption: Designed for low power applications, making it suitable for battery-operated devices.
5. Compact Size: The sensor comes in a small footprint, facilitating integration into space-constrained designs.
6. Built-in Calibration: Factory-calibrated for ease of use and reliable performance without the need for user calibration.
7. Robustness: Features a wide voltage supply range (1.9V to 3.6V), enhancing versatility in various applications.
These features make the SI7005-B-GM1R ideal for applications in HVAC, consumer electronics, and environmental monitoring.

Package

The SI7005-B-GM1R is packaged in a compact 6-pin DFN (Dual Flat No-lead) package. This design is suitable for low-profile applications, allowing for efficient space utilization on PCBs while ensuring thermal performance.

Pinout

The SI7005-B-GM1R is a digital relative humidity and temperature sensor from Silicon Labs. It features a 6-pin package. The pin functions are as follows:
1. VDD: Power supply (1.9V to 3.6V).
2. GND: Ground connection.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. HOLD: Hold pin for placing the device in a low-power state.
6. NC: No connect (not used).
The SI7005-B-GM1R is designed for low power consumption and is suitable for various applications requiring humidity and temperature measurements.

Manufacturer

The manufacturer of the SI7005-B-GM1R is Silicon Labs, a semiconductor company based in Austin, Texas. Silicon Labs specializes in innovative mixed-signal and wireless technology, focusing on providing high-performance and energy-efficient solutions for a wide range of applications, including the Internet of Things (IoT), consumer electronics, and industrial automation. Their products include microcontrollers, sensors, RF transceivers, and timing devices, catering to various sectors such as automotive, healthcare, and smart home industries. The SI7005-B-GM1R specifically is a digital humidity and temperature sensor designed for precise environmental monitoring in these applications.

Application

The SI7005-B-GM1R is a digital humidity and temperature sensor typically used in various applications, including HVAC systems, smart home devices, industrial automation, weather stations, and environmental monitoring. Its compact size and low power consumption make it suitable for portable electronics, consumer products, and IoT devices requiring accurate environmental sensing.

Equivalent

The SI7005-B-GM1R is a digital humidity and temperature sensor. Equivalent products include the SHT31 from Sensirion, the HTU21D from TE Connectivity, and the DHT22 from Adafruit. These alternatives offer similar functionalities in measuring humidity and temperature but may vary in accuracy, response time, and interface. Always check the specific requirements for compatibility.