产品
无线射频
Semtech SX1239
16 mA 290-1000 MHz 低成本集成式射频接收器
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.
概览
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
- 高度集成的合成器，分辨率 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
- AEC-Q100 Qualified Part
- Built-in temperature sensor and Low Battery indicator
应用
- 自动读表
- Wireless Sensor Networks
- 家庭和楼宇自动化
- 无线警报和安全系统
- 工业监控
Packaging
- QFN 24
Order Codes
- SX1239IMLTRT (3000 pieces, Tape and Reel)
Diagrams and Specs
Block Diagram
Click diagram to enlarge