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