SX1278IMLTRT

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SX1278IMLTRT

IC RF TXRX 802.15.4 28VQFN

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series LoRa™
ProductStatus Active
Type TxRx Only
RFFamily/Standard 802.15.4
Protocol LoRa™
Modulation FSK, GFSK, GMSK, MSK, OOK
Frequency 137MHz ~ 525MHz
DataRate(Max) 300kbps
Power-Output 20dBm
Sensitivity -148dBm
SerialInterfaces SPI
GPIO 6
Voltage-Supply 1.8V ~ 3.7V
Current-Receiving 10.8mA ~ 12mA
Current-Transmitting 20mA ~ 120mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 28-VQFN Exposed Pad

概述

Description

The SX1278IMLTRT is a highly integrated RF transceiver module designed for wireless communication systems. Operating within the 137 MHz to 525 MHz frequency range, it is part of Semtech's SX127x series and uses LoRa modulation for long-range, low-power, and secure data transmission. This module is well-suited for applications like IoT, smart metering, and remote sensing, where long-distance communication with minimal power consumption is crucial.
Key features include high sensitivity, up to -137 dBm, and support for high-performance FSK, GFSK, MSK, GMSK, and OOK modulation. It enables robust communication with minimal interference and enhanced spectrum efficiency. The SX1278IMLTRT supports various data rates, enhancing its flexibility for different use cases. It also includes a high level of integration with power amplifiers, low-noise amplifiers, and modulator/demodulator components.
Its compact design and robust performance make it ideal for embedding into small devices that require reliable wireless communication. The module is commonly used in applications requiring remote monitoring and control, offering long-range connectivity with low operational costs.

Features

The SX1278IMLTRT is a transceiver module that utilizes LoRa (Long Range) modulation, designed for long-range communication. Key features include:
1. Frequency Range: It operates within the 137 MHz to 525 MHz frequency band, covering various regional ISM (Industrial, Scientific, and Medical) frequencies.
2. LoRa Technology: Employs spread-spectrum modulation with high interference immunity, allowing robust communication over long distances with low power consumption.
3. Low Power: Designed for low power applications, it supports low current consumption in both receive and standby modes.
4. High Sensitivity: Offers high sensitivity up to -137 dBm, enabling communication over longer distances in challenging environments.
5. Data Rate: Provides configurable data rates ranging from 0.018 kbps to 37.5 kbps for LoRa and up to 300 kbps for FSK modulation.
6. Output Power: Capable of delivering output power up to +20 dBm.
7. Integrated Features: Includes integrated packet engine with CRC, addressing, and retransmission capabilities.
8. Applications: Suitable for smart metering, industrial control, home automation, and remote sensing applications where reliable long-range communication is needed.
These features make the SX1278IMLTRT a versatile choice for IoT applications requiring long-range and low-power wireless communication.

Package

The SX1278IMLTRT is a LoRa transceiver IC from Semtech, designed for wireless communication. It comes in a QFN (Quad Flat No-Lead) package, which is known for its compact footprint and enhanced thermal performance, making it ideal for space-constrained applications.

Pinout

The SX1278IMLTRT is a transceiver module from Semtech, part of the SX127x series, known for its long-range, low-power communication capabilities, typically used in LoRa (Long Range) communication applications. It is housed in a 28-pin QFN package. Here’s a brief overview of its key pin functions:
1. Ground (GND): Multiple pins for grounding.
2. Power Supply (VDD): Connect to the supply voltage.
3. RF Input/Output (RFIO): Used for transmitting and receiving RF signals.
4. SPI Interface (SCK, MOSI, MISO, NSS): Used for communication with a microcontroller.
5. Reset (RST): Used to reset the chip.
6. Digital I/O (DIO0 to DIO5): Configurable pins for various functions like interrupts.
7. Clocks (XTAL1, XTAL2): For connecting an external crystal oscillator for precise timing.
These pins support the operation and integration of the SX1278 in IoT and other wireless communication projects, offering versatile configuration options to match specific application needs. For specific design and application, consulting the SX1278 datasheet is recommended.

Manufacturer

The SX1278IMLTRT is manufactured by Semtech Corporation. Semtech is a supplier of analog and mixed-signal semiconductors and advanced algorithms. The company specializes in providing high-performance solutions for a range of applications, including Internet of Things (IoT), data communications, and industrial and consumer markets. Semtech is well-known for its LoRa (Long Range) devices and wireless radio frequency technology, which are used in various low-power, wide-area network applications.

Application

The SX1278IMLTRT is a LoRa transceiver used in long-range, low-power wireless communication applications. It is commonly applied in Internet of Things (IoT) devices, smart agriculture, remote sensor networks, smart cities, asset tracking, and home automation systems. Its ability to provide reliable communication over large distances with low power consumption makes it suitable for applications that require extended battery life and long-range connectivity.

Equivalent

The SX1278IMLTRT is a LoRa transceiver chip. Equivalent products include:
1. Semtech SX1276: A similar chip from the same family with additional features.
2. Semtech SX1262: Offers lower power consumption and newer technology.
3. HopeRF RFM95W: A widely used LoRa module compatible with the SX127x series.
4. Microchip RN2483: A LoRa module with integrated microcontroller.
These alternatives differ in features like frequency range, power consumption, and integration. Always check specific requirements before choosing a replacement.

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