DESCRIPTION

The WM8602 comprises a high performance stereo + sub PWM digital power amplifier controller. Simply by adding appropriate power output stages a 2.1 channel power amplifier may be built. Two identical full audio bandwidth channels, plus a reduced bandwidth sub channel are provided as PWM outputs.

FEATURES

• Multi-channel PWM audio amplifier controller

• Supports Stereo input

• Supports stereo or 2.1 with sub channel generation

• PWM Audio Performance with typical output stage

− 100dB SNR (‘A’ weighted @ 48kHz)

− 0.01 THD @ 1Watt

− 0.1 THD @ 30Watt

• Integrated Bass Management support with adjustable filter

• Integrated 4-band Graphic Equaliser

• Adjustable output stage filter compensation for different speakers

• Volume control on each channel +24dB to -103.5dB in 0.5dB steps, with volume ramping and auto-mute functions

• Programmable Dynamic Peak Compressor avoids clipping even at high volume settings

• Internal PLL and optional crystal oscillator, supporting Audio and MPEG standards

• 2/3-Wire MPU Serial Control Interface

• Master or Slave Clocking Mode

• Programmable Audio Data Interface Modes

− I2S, Left, Right Justified or DSP

− 16/20/24/32 bit Word Lengths

• De-emphasis support for stereo

• CMOS digital outputs

APPLICATIONS

• Hi-Fi systems

• Automotive Audio

• Boombox

• Active Speakers