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STA339BWS Datasheet, PDF (1/79 Pages) STMicroelectronics – FFX with 100-dB SNR and dynamic range | |||
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STA339BWS
2.1-channel 40-watt high-efficiency digital system
Sound Terminal®
Datasheet - production data
PowerSSO-36
with exposed pad down (EPD)
Features
ï· Wide-range supply voltage, 4.5 V to 21.5 V
ï· Three power output configurations:
â 2 channels of ternary PWM (2 x 20 W into
8 ï at 18 V) + PWM output
â 2 channels of ternary PWM (2 x 20 W into
8 ï at 18 V) + ternary stereo line-out
â 2.1 channels of binary PWM (left, right,
LFE) (2 x 9 W into 4ï ï +1 x 20 W into 8 ï
at 18 V)
ï· FFX with 100-dB SNR and dynamic range
ï· Scalable FFX modulation index
ï· Selectable 32- to 192-kHz input sample rates
ï· I2C control with selectable device address
ï· Digital gain/attenuation +48 dB to -80 dB with
0.5-dB/step resolution
ï· Soft volume update with programmable ratio
ï· Individual channel and master gain/attenuation
ï· Two independent DRCs configurable as a
dual-band anticlipper (B2DRC) or as
independent limiters/compressors
ï· EQ-DRC for DRC based on filtered signals
ï· Dedicated LFE processing for bass boosting
ï· Audio presets:
â 15 preset crossover filters
â 5 preset anticlipping modes
â Preset nighttime listening mode
ï· Individual channel soft/hard mute
ï· Independent channel volume and DSP bypass
ï· I2S input data interface
ï· Input and output channel mapping
ï· Automatic invalid input-detect mute
ï· Up to 8 user-programmable biquads/channel
ï· Three coefficient banks for storing EQ presets
with fast recall via I2C interface
ï· Bass/treble tones and de-emphasis control
ï· Selectable high-pass filter for DC blocking
ï· Advanced AM interference frequency
switching and noise suppression modes
ï· Selectable high- or low-bandwidth
noise-shaping topologies
ï· Selectable clock input ratio
ï· 96-kHz internal processing sample rate
ï· Thermal overload and short-circuit protection
technology
ï· Video apps: 576 x fS input mode supported
ï· Pin and SW compatible with STA333BW,
STA339BW, STA559BW and STA559BWS
Order code
Table 1. Device summary
Package
Packaging
STA339BWS
STA339BWS13TR
PowerSSO-36 EPD
PowerSSO-36 EPD
Tube
Tape and reel
September 2014
This is information on a product in full production.
DocID015276 Rev 8
1/79
www.st.com
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