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
• Dynamic range compression (DRC) or anticlipping mode
• Audio presets: 15 preset crossover filters, 5 preset anticlipping modes, Preset night-time 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 5 user-programmable biquads/channel
• Three coefficients banks for EQ presets storing 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
• Sub channel mix into left and right channels
• 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×fS input mode supported
• Pin and SW compatible with STA335BW, STA339BW, STA339BWS, STA559BW and STA559BWS