مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Features

• Wide-range supply voltage, 4.5 V to 21.5 V
• Three power output configurations:
  • 2 channels of ternary PWM (2×20 W into 8 Ω at 18 V) + PWM output
  • 2 channels of ternary PWM (2×20 W into 8 Ω at 18 V) + ternary stereo line-out
  • 2.1 channels of binary PWM (left, right, LFE) (2×9 W into 4 Ω + 1×20 W into 8 Ω at 18 V)
• FFX with 100-dB SNR and dynamic range
• Scalable FFX modulation index
• Selectable 32- to 192-kHz input sample rates
• I²C control with selectable device address
• Digital gain/attenuation +48 dB to -80 dB with 0.5-dB/step resolution
• Soft volume update with programmable ratio
• Individual channel and master gain/attenuation
• Two independent DRCs configurable as a dual-band anticlipper (B²DRC) or as independent limiters/compressors
• EQ-DRC for DRC based on filtered signals
• Dedicated LFE processing for bass boosting
• Audio presets:
  • 15 preset crossover filters
  • 5 preset anticlipping modes
  • Preset nighttime listening mode
• Individual channel soft/hard mute
• Independent channel volume and DSP bypass
• I²S input data interface
• Input and output channel mapping
• Automatic invalid input-detect mute
• Up to 8 user-programmable biquads/channel
• Three coefficient banks for storing EQ presets with fast recall via I²C interface
• Bass/treble tones and de-emphasis control
• Selectable high-pass filter for DC blocking
• Advanced AM interference frequency switching and noise suppression modes
• Selectable high- or low-bandwidth noise-shaping topologies
• Selectable clock input ratio
• 96-kHz internal processing sample rate
• Thermal overload and short-circuit protection technology
• Video apps: 576 x fS input mode supported
• Pin and SW compatible with STA333BW, STA339BW, STA559BW and STA559BWS