2.1-channel 40-watt high-efficiency digital audio system
STA339BWS
2.1-channel 40-watt high-efficiency digital system Sound Terminal®
Datasheet - production data
PowerSSO-36 w...
Description
STA339BWS
2.1-channel 40-watt high-efficiency digital system Sound Terminal®
Datasheet - production data
PowerSSO-36 with exposed pad down (EPD)
Features
Wide-range supply voltage, 4.5 V to 21.5 V Three power output configurations:
– 2 channels of ternary PWM (2 x 20 W into 8 at 18 V) + PWM output
– 2 channels of ternary PWM (2 x 20 W into 8 at 18 V) + ternary stereo line-out
– 2.1 channels of binary PWM (left, right, LFE) (2 x 9 W into 4 +1 x 20 W into 8 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 fi...
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