LR531 Superheterodyne 433 Radio Frequency Remote Control Receiver Chip 315m Wide Voltage Strong Anti-interference for RF Module
LR531 is a wide-voltage, low-cost, high-sensitivity, fully integrated ASK/OOK wireless receiver chip, which is characterized by good anti-interference, and is widely used in the field of wireless remote control. The chip integrates all functional modules such as radio frequency amplifier, mixer, intermediate frequency amplifier, frequency synthesizer, automatic gain control, reference oscillator, filter, demodulator, etc. The chip automatically completes the full frequency range of radio frequency and intermediate frequency tuning. No manual intervention
Features
☆ Sensitivity -113 dBm (OOK modulation)
☆ Can pass FCC/ETSI safety regulations and European regulations
☆ Frequency range 300MHz~440MHz
☆ Power supply voltage 2V ~ 5.5V
☆ Working current 5mA
☆ With chip wake-up function
☆ Package SOP8
☆ With image suppression, good anti-interference
☆ Starting time 3ms
315Mhz, 3kbps Circuit
415Mhz, 3kbps Circuit
