SX1239中文资料低成本集成射频接收机，16mA，290-1000MHz数据手册Semtech规格书

描述 Description

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.

特性 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
·AEC-Q100 Qualified Part
·Built-in temperature sensor and Low Battery indicator

应用 Application

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