Description
The LP3950 is a color LED driver with a built-in audio synchronization feature for any analog audio input such as polyphonic ring tones and MP3 music.
Features
- n Audio synchronization for color LEDs with two modes: Amplitude and Frequency n Programmable frequency and amplitude response with tracking speed control n Automatic gain control or selectable gain for input signal optimization n RGB pattern generator similar to LP3933/LP3936 n Magnetic DC-DC boost converter with programmable boost output voltage n Selectable SPI or I2C compatible interface n One pin default enable for non-serial interface users. One pin selector for synchronization mode n Spac.
LP3950_NationalSemiconductor.pdf
