STA335W Datasheet, PDF (1/43 Pages) STMicroelectronics – 2.0-channel high-efficiency digital audio system

STA335W
2.0-channel high-efficiency digital audio system
Features
■ Wide voltage supply range
– 5 V to 26 V (operating range)
– 30 V (absolute maximum rating)
■ 2 channels of ternary PWM (stereo mode) (2 x
20 W into 8 Ω at 18 V)
■ 2.0 channels of 24-bit FFX 100 dB SNR and
dynamic range
■ 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
■ Individual channel and master soft/hard mute
■ Automatic zero-detect mute
■ Automatic invalid input-detect mute
■ 2-channel I²S input data interface
■ Advanced AM interference frequency
switching and noise suppression modes
■ Selectable high- or low-bandwidth
noise-shaping topologies
■ Variable max power correction for lower
full-power THD
■ Selectable clock input ratio
PowerSSO-36 (slug down)
■ 96 kHz internal processing sample rate, 24 to
28-bit precision
■ Thermal overload and short-circuit protection
embedded
■ Video apps: 576 x Fs input mode supported
■ Fully compatible with STA335BW (on the
common registers).
Table 1. Device summary
Order code
STA335W
STA335W13TR
Package
PowerSSO-36 slug down
PowerSSO-36 slug down
Packaging
Tube
Tape and reel
August 2009
Rev 1
1/43
www.st.com
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