Description
●Overview
●The STA328 comprises digital audio processing, digital amplifier control and DDX® power output stage to create a high-power single-chip DDX® solution for high-quality, high-efficiency, all digital amplification.
●Features
●! Wide supply voltage range (10 V - 36 V)
●! Three power output configurations
●–2x40W + 1x80W
●–2x80W
●–1x160W
●! PowerSO-36 package
●! 2.1 channels of 24-bit DDX®
●! 100-dB SNR and dynamic range
●! 32 kHz to 192 kHz input sample rates
●! Digital gain/attenuation +48 dB to -80 dB in 0.5-dB steps
●! Four 28-bit user programmable biquads (EQ) per channel
●! I2C control
●! 2-channel I2S input data interface
●! Individual channel and master gain/attenuation
●! Individual channel and master soft/hard mute
●! Individual channel volume and EQ bypass
●! Bass/treble tone control
●! Dual independent programmable limiters/compressors
●! AutoModes
●– 32 preset EQ curves
●– 15 preset crossover settings
●– Auto volume controlled loudness
●– 3 preset volume curves
●– 2 preset anti-clipping modes
●– Preset night-time listening mode
●– Preset TV AGC
●! Input and output channel mapping
●! AM noise-reduction and PWM frequency-shifting modes
●! Software volume update and muting
●! Auto zero detect and invalid input detect muting
●! Selectable DDX® ternary or binary PWM output + variable PWM speeds
●! Selectable de-emphasis
●! Post-EQ user programmable mix with default 2.1 bass-management settings
●! Variable max power correction for lower full power THD
●! Four output routing configurations
●! Selectable clock input ratio
●! 96 kHz internal processing sample rate, 24 to 28-bit precision
●! Video application supports 576
● fs input mode.
