仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | LoRa™ |
| ProductStatus | Active |
| Type | TxRx Only |
| RFFamily/Standard | 802.15.4 |
| Protocol | LoRa™ |
| Modulation | GFSK |
| Frequency | 2.4GHz |
| Power-Output | 12.5dBm |
| Sensitivity | -132dBm |
| SerialInterfaces | SPI, UART |
| Voltage-Supply | 1.8V ~ 3.7V |
| Current-Receiving | 8.2mA |
| Current-Transmitting | 24mA |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 24-WFQFN Exposed Pad |
概要
Description
The SX1281IMLTRT is a compact and versatile transceiver module developed by Semtech Corporation, part of their SX128x series. It operates in sub-GHz bands and is designed for a wide range of applications requiring long-range wireless communication, such as Internet of Things (IoT) devices, smart meters, and remote controls.
Key features of the SX1281IMLTRT include:
1. Frequency Range: Supports multiple frequencies, typically around 433 MHz, 868 MHz, and 915 MHz, accommodating regional wireless regulations.
2. Modulation: Capable of handling various modulation techniques, including LoRa, FSK, MSK, and BPSK, offering flexibility in design and application.
3. Output Power: Offers high output power and sensitivity, enhancing communication range and reliability.
4. Low Power Consumption: Optimized for low power operation, making it suitable for battery-operated devices.
5. Integration: Includes features like a built-in packet engine and support for various communication protocols, reducing the need for external components.
The SX1281IMLTRT is ideal for developers looking to implement robust and efficient wireless communication solutions in their products.
Key features of the SX1281IMLTRT include:
1. Frequency Range: Supports multiple frequencies, typically around 433 MHz, 868 MHz, and 915 MHz, accommodating regional wireless regulations.
2. Modulation: Capable of handling various modulation techniques, including LoRa, FSK, MSK, and BPSK, offering flexibility in design and application.
3. Output Power: Offers high output power and sensitivity, enhancing communication range and reliability.
4. Low Power Consumption: Optimized for low power operation, making it suitable for battery-operated devices.
5. Integration: Includes features like a built-in packet engine and support for various communication protocols, reducing the need for external components.
The SX1281IMLTRT is ideal for developers looking to implement robust and efficient wireless communication solutions in their products.
Equivalent
The SX1281IMLTRT is a 2.4 GHz transceiver from Semtech. Equivalent products include the TI CC2500, Nordic Semiconductor nRF24L01+, and Silicon Labs Si4463 or Si4464. These alternatives offer similar features like low power consumption and programmable data rates, making them suitable for wireless communication applications in the 2.4 GHz ISM band. Always check the specific requirements of your application to ensure compatibility.
Features
The SX1281IMLTRT is a low-power, long-range, and highly integrated RF transceiver designed for various wireless communication applications. It operates in the sub-GHz frequency bands, specifically in the 2400 MHz ISM band, and supports modulation schemes such as LoRa, (G)FSK, (G)MSK, and BPSK. Key features include:
1. Long Range: Utilizes LoRa modulation for extended communication range and improved link robustness.
2. Low Power Consumption: Designed for efficient performance, making it suitable for battery-powered devices.
3. High Sensitivity: Offers high receiver sensitivity, enhancing data reception in challenging environments.
4. Flexible Data Rate: Supports a wide range of data rates, allowing for versatile applications.
5. Integrated Power Amplifier: Provides a maximum output power of up to +12.5 dBm.
6. Compact Package: Comes in a QFN package, facilitating compact and space-efficient designs.
7. Enhanced Security: Features integrated AES-128 encryption for secure data transmission.
8. Wide Operating Temperature Range: Suitable for various environmental conditions, from -40°C to +85°C.
These features make the SX1281IMLTRT suitable for IoT, smart metering, and remote control applications.
1. Long Range: Utilizes LoRa modulation for extended communication range and improved link robustness.
2. Low Power Consumption: Designed for efficient performance, making it suitable for battery-powered devices.
3. High Sensitivity: Offers high receiver sensitivity, enhancing data reception in challenging environments.
4. Flexible Data Rate: Supports a wide range of data rates, allowing for versatile applications.
5. Integrated Power Amplifier: Provides a maximum output power of up to +12.5 dBm.
6. Compact Package: Comes in a QFN package, facilitating compact and space-efficient designs.
7. Enhanced Security: Features integrated AES-128 encryption for secure data transmission.
8. Wide Operating Temperature Range: Suitable for various environmental conditions, from -40°C to +85°C.
These features make the SX1281IMLTRT suitable for IoT, smart metering, and remote control applications.
Pinout
The SX1281IMLTRT is a wireless transceiver from Semtech, designed for long-range communication. It typically comes in a QFN package with 24 pins. Here's a brief overview of its pin functions:
1. RFIO: RF input/output for the antenna.
2. GND: Ground connection.
3. VDD: Supply voltage.
4. RESET: Reset input.
5. DIOx: Digital input/output pins (often used for various control functions).
6. SCK: Serial clock input for SPI.
7. MISO: Master Input/Slave Output for SPI.
8. MOSI: Master Output/Slave Input for SPI.
9. NSS: Chip select for SPI.
10. DIOx: More digital I/O pins.
11. GND: Additional ground pin.
These pins support functions such as antenna connection, power supply, SPI communication, and other general-purpose input/output operations for configuring and controlling the device. The exact function of pins can vary depending on the specific application and configuration set by the user. For detailed pin function descriptions, refer to the device's datasheet.
1. RFIO: RF input/output for the antenna.
2. GND: Ground connection.
3. VDD: Supply voltage.
4. RESET: Reset input.
5. DIOx: Digital input/output pins (often used for various control functions).
6. SCK: Serial clock input for SPI.
7. MISO: Master Input/Slave Output for SPI.
8. MOSI: Master Output/Slave Input for SPI.
9. NSS: Chip select for SPI.
10. DIOx: More digital I/O pins.
11. GND: Additional ground pin.
These pins support functions such as antenna connection, power supply, SPI communication, and other general-purpose input/output operations for configuring and controlling the device. The exact function of pins can vary depending on the specific application and configuration set by the user. For detailed pin function descriptions, refer to the device's datasheet.
Manufacturer
The SX1281IMLTRT is manufactured by Semtech Corporation. Semtech is a leading supplier of high-performance analog and mixed-signal semiconductors and advanced algorithms. The company is known for its innovation in the semiconductor industry, providing solutions that enable capabilities such as wireless communication, sensing, and data transmission. Semtech's products are widely used in applications across various sectors, including telecommunications, industrial, consumer electronics, and the Internet of Things (IoT). The company focuses on delivering products that enhance the functionality and efficiency of electronic devices, contributing to advancements in technology and connectivity.
Application
The SX1281IMLTRT is a sub-GHz wireless transceiver used in various applications due to its long-range, low-power capabilities. Key application areas include:
1. Internet of Things (IoT): Facilitates communication in smart homes, smart cities, and industrial IoT systems.
2. Remote Controls: Used in remote keyless entry systems and other consumer electronics.
3. Telemetry Systems: Suitable for data transmission in agriculture, environmental monitoring, and asset tracking.
4. Industrial Automation: Enables wireless sensor networks and control systems.
5. Security Systems: Supports wireless communication in alarm systems and surveillance.
6. Healthcare: Utilized in medical devices for remote monitoring and data collection.
These capabilities make it ideal for various low-power, wide-area network (LPWAN) applications.
1. Internet of Things (IoT): Facilitates communication in smart homes, smart cities, and industrial IoT systems.
2. Remote Controls: Used in remote keyless entry systems and other consumer electronics.
3. Telemetry Systems: Suitable for data transmission in agriculture, environmental monitoring, and asset tracking.
4. Industrial Automation: Enables wireless sensor networks and control systems.
5. Security Systems: Supports wireless communication in alarm systems and surveillance.
6. Healthcare: Utilized in medical devices for remote monitoring and data collection.
These capabilities make it ideal for various low-power, wide-area network (LPWAN) applications.
Package
The SX1281IMLTRT is a wireless transceiver IC from Semtech, typically used in IoT applications. It comes in a QFN (Quad Flat No-leads) package, which is compact and suitable for high-density PCB designs.