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SX1279IMLTRT
+BOMIC RF TXRX 802.15.4 28QFN
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제조업체셈텍(주)
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제조업체 부품 #SX1279IMLTRT
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재고24031
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사양
| 속성 | 가치 |
| Series | LoRa™ |
| Part Status | Obsolete |
| Base Product Number | SX1279 |
| DigiKey Programmable | Not Verified |
| Type | TxRx Only |
| RF Family/Standard | 802.15.4 |
| Protocol | LoRa™ |
| Modulation | FSK, GFSK, GMSK, MSK, OOK |
| Frequency | 137MHz ~ 1.02GHz |
| Data Rate (Max) | 300kbps |
| Power - Output | 20dBm |
| Sensitivity | -148dBm |
| Serial Interfaces | SPI |
| Voltage - Supply | 1.8V ~ 3.7V |
| Current - Receiving | 9.9mA ~ 13.8mA |
| Current - Transmitting | 20mA ~ 28mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package | 28-VQFN Exposed Pad |
| Supplier Device Package | 28-QFN (6x6) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
개요
Description
Key features of the SX1279 include a high sensitivity of up to -137 dBm, a power output of up to +20 dBm, and a low RX current consumption of 9.9 mA. It supports a wide frequency range (137 MHz to 1020 MHz), making it suitable for global use. The transceiver is often employed in applications such as Internet of Things (IoT) devices, smart meters, wireless sensors, and home automation systems, thanks to its efficiency and long-range capabilities.
Additionally, the SX1279IMLTRT benefits from built-in forward error correction, which improves data integrity over long distances, and features like adaptive data rate, making it ideal for dynamic network environments.
Equivalent
1. SX1278: Another Semtech chip with similar features for the 433/868 MHz bands.
2. RFM95W: A HopeRF module using the LoRa technology compatible with SX127x series.
3. RAK811: A RAKwireless module that supports LoRaWAN.
4. Microchip RN2903: Supporting LoRa for 915 MHz, suitable for North American applications.
5. Murata CMWX1ZZABZ: An integrated module with LoRa transceiver capabilities.
These options offer similar functionality and can be considered based on specific frequency and application requirements.
Features
Key features include:
1. LoRa™ Technology: Provides long-range communication with high interference immunity.
2. Frequency Range: Operates between 860 MHz and 1020 MHz.
3. Low Power Consumption: Suitable for battery-powered applications.
4. High Sensitivity: Down to -148 dBm, enhancing communication range.
5. Programmable Bandwidth: Offers flexibility with bandwidth settings ranging from 7.8 kHz to 500 kHz.
6. FSK, GFSK, MSK, and OOK Modulation: Supports multiple modulation schemes.
7. Data Rates: Supports up to 300 kbps for FSK.
8. Integrated PLL: Provides frequency synthesis and modulation capabilities.
9. Packet Engine: Supports packet handling with automatic CRC generation and checking.
These features make the SX1279IMLTRT suitable for long-range, low-power wireless communication, particularly in IoT applications.
Pinout
The SX1279IMLTRT comes in a QFN package with a total of 28 pins. These pins serve various functions including:
1. Power Supply Pins: For providing the necessary voltage to the IC.
2. RF Input/Output Pins: For connecting to an antenna or RF front-end.
3. Digital Interface Pins: Typically SPI (Serial Peripheral Interface) pins that allow communication with a host microcontroller.
4. Control Pins: Used for resetting the device, mode selection, and other configuration purposes.
5. Crystal Oscillator Pins: For connecting an external crystal to provide the reference frequency for the RF operations.
6. GPIOs: General purpose input/output pins for various user-defined tasks.
These features make the SX1279IMLTRT suitable for IoT devices requiring reliable long-range communication with low power consumption.
Manufacturer
Application
1. IoT Networks: Facilitates long-range, low-power communication for smart cities, agriculture, and industrial IoT.
2. LPWANs: Integral to Low-Power Wide-Area Networks like LoRaWAN for efficient data transmission over large distances.
3. Smart Metering: Provides connectivity for utility meters to transmit data wirelessly.
4. Home Automation: Supports communication between various smart home devices.
5. Asset Tracking: Enables real-time tracking and management of assets over extensive areas.
6. Environmental Monitoring: Useful in remote monitoring systems for weather, air quality, and other environmental data.
Its long-range capability and low power consumption make it ideal for these applications.