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STA350BWTR

Sound Terminal 2.1-channel high-efficiency digital audio system

Supply Voltage Min Volt5.0
Supply Voltage Max Volt26.0
Operating Temp Min Celsius-20.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NamePowerSSO 36

The STA350Bx is an integrated solution of digital audio processing, digital amplifier control, and FFX-power output stage, thereby creating a high-power single-chip FFX™ solution comprising high-quality, high-efficiency, and all-digital amplification.The STA350Bx is based on an FFX (fully...
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Key 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) (2 x 50 W into 6 Ω at 25 V)
    • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 18 W + 1 x 40 W into 2 x 4 Ω, 1 x 8 Ω at 25 V)
    • 2 channels of ternary PWM (2 x 50 W) + stereo lineout ternary
    • 1 channel of ternary PWM as mono-BTL (1 x 90 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: 576 x Fs input mode supported
  • Fully compatible with the STA339BW and the STA339BWS
In stock
Quantity $ per unit Savings
1-9$6.470%
10-20$5.8510%
Contact sales
$6.47
$6.47
Supply Voltage Min Volt5.0
Supply Voltage Max Volt26.0
Operating Temp Min Celsius-20.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NamePowerSSO 36

The STA350Bx is an integrated solution of digital audio processing, digital amplifier control, and FFX-power output stage, thereby creating a high-power single-chip FFX™ solution comprising high-quality, high-efficiency, and all-digital amplification.The STA350Bx is based on an FFX (fully...
Read More

Key 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) (2 x 50 W into 6 Ω at 25 V)
    • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 18 W + 1 x 40 W into 2 x 4 Ω, 1 x 8 Ω at 25 V)
    • 2 channels of ternary PWM (2 x 50 W) + stereo lineout ternary
    • 1 channel of ternary PWM as mono-BTL (1 x 90 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: 576 x Fs input mode supported
  • Fully compatible with the STA339BW and the STA339BWS