Semtech | SX1239IMLTRT

The SX1239IMLTRT is a part of SX123x series Transceiver ICs. It has an operating temperature ranging from -40 °C to +85 °C and comes in QFN-24 package.

The SX1239 is a highly integrated RF receiver capable of operation over a wide frequency range, including the 433,868 and 915 MHz license-free ISM (Industry Scientific and Medical) frequency bands. Its highly integrated architecture allows for a minimum of external components while maintaining maximum design flexibility.

Features: 

• High Sensitivity: down to -120 dBm at 1.2 kbps
• High Selectivity: 16-tap FIR Channel Filter
• Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response
• Low current: Rx = 16 mA, 100nA register retention
• Constant RF performance over voltage range of chip
• FSK Bit rates up to 300 kb/s
• Fully integrated synthesizer with a resolution of 61 Hz
• FSK, GFSK, MSK, GMSK and OOK demodulation
• Built-in Bit Synchronizer performing Clock Recovery
• Incoming Sync Word Recognition
• 115 dB+ Dynamic Range RSSI
• Automatic RF Sense with ultra-fast AFC
• Packet engine with CRC, AES-128 encryption and 66-byte FIFO
• Built-in temperature sensor and Low Battery indicator

Applications:

• Automated Meter Reading
• Wireless Sensor Networks
• Home and Building Automation
• Wireless Alarm and Security Systems
• Industrial Monitoring and Control