Overview
The SX1272IMLTRT, produced by Semtech Corporation, is a highly advanced long-range, low-power RF transceiver. This device features Semtech’s patented LoRa® modulation technique, which provides ultra-long range spread spectrum communication and high interference immunity while minimizing current consumption. The SX1272 is particularly optimized for applications requiring robust range and reliability, making it a cornerstone in various IoT and wireless communication systems.
Key Specifications
| Specification | Value |
|---|---|
| Frequency Range | 860-1020 MHz |
| Maximum Link Budget | 157 dB |
| RF Output Power | +20 dBm at 100 mW constant RF output vs. V supply |
| High Efficiency PA | +14 dBm |
| Programmable Bit Rate | Up to 300 kbps |
| Sensitivity | Down to -137 dBm |
| Blocking Immunity | 89 dB |
| Receiver Current | 10 mA |
| Register Retention Current | 100 nA |
| Modulation Types | FSK, GFSK, MSK, GMSK, LoRa, and OOK |
| Package Type | QFN 28 |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- LoRa Modem for ultra-long range spread spectrum communication
- High sensitivity down to -137 dBm
- Bullet-proof front end with IIP3 = -12.5 dBm
- Low RX current of 10 mA and 100 nA register retention
- Fully integrated synthesizer with a resolution of 61 Hz
- Built-in bit synchronizer for clock recovery and preamble detection
- 127 dB Dynamic Range RSSI and automatic RF Sense and CAD with ultra-fast AFC
- Packet engine up to 256 bytes with CRC
- Built-in temperature sensor and low battery indicator
Applications
- Automated Meter Reading
- Home and Building Automation
- Wireless Alarm and Security Systems
- Industrial Monitoring and Control
- Long range Irrigation Systems
Q & A
- What is the frequency range of the SX1272IMLTRT?
The frequency range of the SX1272IMLTRT is 860-1020 MHz. - What is the maximum link budget of the SX1272IMLTRT?
The maximum link budget is 157 dB. - What are the supported modulation types?
The device supports FSK, GFSK, MSK, GMSK, LoRa, and OOK modulation. - What is the sensitivity of the SX1272IMLTRT?
The sensitivity is down to -137 dBm. - What is the typical receiver current?
The typical receiver current is 10 mA. - What is the operating temperature range of the SX1272IMLTRT?
The operating temperature range is -40°C to +85°C. - Does the SX1272IMLTRT have built-in temperature and low battery indicators?
Yes, it does. - What is the maximum programmable bit rate?
The maximum programmable bit rate is up to 300 kbps. - What is the package type of the SX1272IMLTRT?
The package type is QFN 28. - Is the SX1272IMLTRT RoHS/WEEE compliant?
Yes, it is Pb-free, Halogen free, and RoHS/WEEE compliant.
