STA335BW Datasheet, PDF (1/54 Pages) STMicroelectronics – 2.1 channels high efficiency digital audio system

STA335BW
2.1 channels high efficiency digital audio system
Preliminary Data
Features
■ Wide supply voltage range (5 to 24V)
■ 4 Power Output Configurations
– 2 channels of ternary PWM (stereo mode)
(2 x 20 W @ 8 Ω, 18 V)
– 3 channels - left, right using binary and LFE
using ternary PWM (2.1 mode) (2x10W +
1x20 W @ 2 x 4 Ω, 1 x 8 Ω, 20 V)
– 1 channel PWM output (parallel-mode)
(1 x 40 W)
– 2 channels of ternary PWM (2 x 20 W) +
stereo lineout ternary
■ 2.1 Channels of 24-Bit DDX^®
■ >94dB 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
■ Automodes^TM
– 15 Preset Crossover filters
– 2 Preset Anti-Clipping Modes
– Preset Nighttime Listening Mode
■ Individual Channel and Master Soft and Hard
Mute
■ Independent Channel Volume and DSP
Bypass
PowerSSO36
Slug Down
■ Automatic Zero-Detect Mute
■ Automatic Invalid Input Detect Mute
■ 2-Channel I²S Input Data Interface
■ Input and Output Channel Mapping
■ 4 x 28-bit User Programmable Biquads (EQ)
per channel
■ Bass/Treble Tone Control
■ DC Blocking Selectable High-Pass Filter
■ Selectable De-emphasis
■ Sub Channel Mix into Left and Right Channels
■ 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
■ 96 KHz Internal Processing Sample Rate, 24 to
28-bit precision
■ Thermal Overload and Short-circuit Protection
embedded
■ Video Application: 576 x fs input mode
supporting
■ PSSO-36 Slug Down package.
Order codes
Part number
STA335BW
Temp range, ° C
0 to 150
Package
PowerSSO36 Slug Down
Packing
Tube
December 2006
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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