CS35L32 - Cirrus Logic

CS35L32 Boosted Class D Amplifier

The CS35L32 is a low-quiescent power-integrated audio IC, with a mono full-bridge Class D speaker amplifier operating with a self-boosted Class G supply. Audio input is received differentially. Pop-and-click reduction is achieved with zerocrossing transitions at turn-on, turn-off and upon gain changes. Communication with the host processor is done using an .

Features

continue on page 2) SPKR VA VP VBST SW IREF+ SUPPLY FILT+ IN+ IN
  –  ADC Current Sense Bandgap Voltage Generation VCOM Current Mode Synchronous Boost Controller Soft Ramp Low Battery Management VREF Generation VREF +
  – 9,12,15, or 18 dB + Mute Class G I2C Class G Override Class D Front End ∆Σ Class D Modulator Short Circuit Protection Class D Power Stage SPKR SUPPLY MCLK GNDA Error Watchdog Serial Port Clock Generation Range Scaling LRCK SerSiaClLAK udio/Data Port  ADC  ADC Level Shifters FLEN FLINH FLOUT1 FLOUT2/AD0 Control, Sensing, and Fault Protection Flash LED .