characteristic
 Supported frequency band: 76~108 MHz
 Automatic gain control (AGC)
 Automatic frequency control (AFC)
 Automatically search channels
 Signal quality assessment
 Automatic noise suppression
 75us de-emphasis
 Supply voltage: 2.0 ~ 3.6 V
 Operating current: 22 mA
 32.768 kHz crystal oscillator
 Supports working mode without external clock input
 Very few peripheral components
 Package: 10-pin MSOP and 10-pin SSOP