2.1信道的高效数字音频系统 2.1 channels high efficiency digital audio system
Description
The is an integration of digital audio processing, digital amplifier control and
DDX® power-output stage to create a high-power single-chip DDX solution comprising
high-quality, high-efficiency and all digital amplification.
The STA335BW is part of the Sound Terminal™family that provides full digital audio streaming to the speaker offering cost effectiveness, low energy dissipation and sound enrichment.
Features
Wide supply voltage range 4.5 V to 24 V
3 power output configurations
– 2 channels of ternary PWM stereo mode 2 x 20 W into 8Ω at 18 V, 2 x 37 W into 8Ω at 24 V
– 3 channels - left, right using binary and LFE using ternary PWM 2.1 mode 2 x 9 W + 1x20W into 2x4Ω, 1 x 8 Ωat 18 V
– 2 channels of ternary PWM 2 x 20 W + stereo line-out ternary 2.1 channels of 24-bit DDX®
100-dB SNR and dynamic range
Selectable 32 kHz to 192 kHz input sample rates
I2C control with selectable device address
Digital gain/attenuation +48 dB to -80 dB in 0.5-dB steps
Soft volume update
Individual channel and master gain/attenuation
Dual independent limiters/compressors
Dynamic range compression or anti-clipping modes
Automode™ settings for:
– 15 preset crossover filters
– 2 preset anti-clipping modes
– Preset night-time listening mode
Individual channel and master soft and hard mute