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STA339BWS13TR Datasheet, PDF (1/76 Pages) STMicroelectronics – 2.1-channel 40-watt high-efficiency digital audio system Sound Terminal® | |||
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STA339BWS
2.1-channel 40-watt high-efficiency digital audio system
Sound Terminal®
Features
â Wide-range supply voltage, 4.5 V to 21.5 V
â Three power output configurations:
â 2 channels of ternary PWM
(2 x 20 W into 8 Ω at 18 V) + PWM output
â 2 channels of ternary PWM
(2 x 20 W into 8 Ω at 18 V) + ternary stereo
line-out
â 2.1 channels of binary PWM (left, right,
LFE) (2 x 9 W into 4 Ω +1 x 20 W into 8 Ω
at 18 V)
â FFX with 100-dB SNR and dynamic range
â Scalable FFX modulation index
â Selectable 32- to 192-kHz input sample rates
â I2C control with selectable device address
â Digital gain/attenuation +48 dB to -80 dB with
0.5-dB/step resolution
â Soft volume update with programmable ratio
â Individual channel and master gain/attenuation
â Two independent DRCs configurable as a
dual-band anticlipper (B2DRC) or as
independent limiters/compressors
â EQ-DRC for DRC based on filtered signals
â Dedicated LFE processing for bass boosting
â Audio presets:
â 15 preset crossover filters
â 5 preset anticlipping modes
â Preset nighttime listening mode
â Individual channel soft/hard mute
PowerSSO-36
with exposed pad down (EPD)
â Independent channel volume and DSP bypass
â I2S input data interface
â Input and output channel mapping
â Automatic invalid input-detect mute
â Up to 8 user-programmable biquads/channel
â Three coefficient banks for storing EQ presets
with fast recall via I2C interface
â Bass/treble tones and de-emphasis control
â Selectable high-pass filter for DC blocking
â Advanced AM interference frequency
switching and noise suppression modes
â Selectable high- or low-bandwidth
noise-shaping topologies
â Selectable clock input ratio
â 96-kHz internal processing sample rate
â Thermal overload and short-circuit protection
technology
â Video apps: 576 x fS input mode supported
â Pin and SW compatible with STA333BW,
STA339BW, STA559BW and STA559BWS
Table 1. Device summary
Order code
STA339BWS
STA339BWS13TR
Package
PowerSSO-36 EPD
PowerSSO-36 EPD
Packaging
Tube
Tape and reel
November 2011
Doc ID 15276 Rev 5
1/76
www.st.com
76
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