SX1278IMLTRT

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1. DESCRIPTION

The SX1278IMLTRT transceivers feature the LoRaTM long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption. Using Semtech’s patented LoRaTM modulation technique SX1278IMLTRT can achieve a sensitivity of over -148dBm using a low cost crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRaTM provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption. These devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The SX1278IMLTRT deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.

2. FEATURES

    1. LoRaTM Modem

    2. 168 dB maximum link budget

    3. +20 dBm - 100 mW constant RF output vs. V supply

    4. +14 dBm high efficiency PA

    5. Programmable bit rate up to 300 kbps

    6. High sensitivity: down to -148 dBm

    7. Bullet-proof front end: IIP3 = -11 dBm

    8. Excellent blocking immunity

    9. Low RX current of 9.9 mA, 200 nA register retention

  10. Fully integrated synthesizer with a resolution of 61 Hz

  11. FSK, GFSK, MSK, GMSK, LoRaTMand OOK modulation

  12. Built-in bit synchronizer for clock recovery

  13. Preamble detection

  14. 127 dB Dynamic Range RSSI

  15. Automatic RF Sense and CAD with ultra-fast AFC

  16. Packet engine up to 256 bytes with CRC

  17. Built-in temperature sensor and low battery indicator

3. APPLICATIONS

    1. Automated Meter Reading.

    2. Home and Building Automation.

    3. Wireless Alarm and Security Systems.

    4. Industrial Monitoring and Control

    5. Long range Irrigation Systems