مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Features

• Wide-range supply voltage – 5 V to 26 V (operating range) – 30 V (absolute maximum rating)
• Four power output configurations
  • 2 channels of ternary PWM (stereo mode) 2x50 W into 6 Ω at 25 V
  • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2x18 W + 1x40 W into 2x4 Ω, 1x8 Ω at 25 V)
  • 2 channels of ternary PWM (2x50 W) + stereo lineout ternary
  • 1 channel of ternary PWM as mono-BTL 1x90 W into 3 Ω at 24.5 V
• FFX 100 dB SNR and dynamic range
• Selectable 32 to 192 kHz input sample rates
• I2C control with selectable device address
• Digital gain/attenuation +42 dB to -80 dB with 0.125 dB/step resolution
• Soft-volume update with programmable ratio
• Individual channel and master gain/attenuation
• Two independent DRCs configurable as a dual-band anti-clipper (B2DRC) or independent limiters/compressors
• EQ-DRC for DRC based on filtered signals
• Dedicated LFE processing for bass boosting with 0.125 dB/step resolution
• Audio presets:
  • 15 preset crossover filters
  • 5 preset anti-clipping modes
  • Preset nighttime listening mode
• Individual channel and master soft/hard mute
• Independent channel volume and DSP bypass
• Automatic zero-detect mute
• Automatic invalid input-detect mute
• I2S input data interface
• Input and output channel mapping
• Up to 8 user-programmable biquads per channel
• 3 coefficient banks for EQ presets storing with fast recall via I2C interface
• Extended coefficient dynamic up to -4..4 for easy implementation of high shelf filters
• 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 with quantization error noise shaping for very low cutoff frequency filters
• Thermal overload and short-circuit protection embedded
• Video apps: 576xFs input mode supported
• Fully compatible with the STA339BW and the STA339BWS