STA311B Datasheet, PDF (1/102 Pages) STMicroelectronics – Multichannel digital audio processor with FFXTM

STA311B
Multichannel digital audio processor with FFX^TM
VFQFN-56
Features
 8 channels of 24-bit FFX^™
 >100 dB SNR and dynamic range
 Selectable 32 kHz-192 kHz input sampling
rates
 6 channels of DSD/SACD
 Digital gain/attenuation +58 dB to -100 dB in
0.5 dB steps
 Advanced “pop-free” operation
 Digital “pop-free” operation for single-ended
mode
 Soft volume update
 Individual channel and master gain/attenuation
plus channel trim (-10 dB to +10 dB)
 Up to 10 independent 32-bit user-
programmable biquads (EQ) per channel
 Bass/treble tone control
 Pre- and post-EQ full 8-channel input mix on all
8 channels
 Dual independent limiters/compressors
 Dynamic range compression or anti-clipping
modes
 AutoModes
– 5-band graphic EQ
Datasheet - production data
– 32 preset EQ curves (rock, jazz, pop, etc.)
– Automatic volume-controlled loudness
– 5.1 to 2-channel downmix
– Simultaneous 5.1- and 2-channel downmix
outputs
– 3 preset volume curves
– 2 preset anti-clipping modes
– Preset movie nighttime listening mode
– Preset TV channel/commercial AGC mode
– 5.1, 2.1 bass management configurations
– AM frequency automatic output PWM
frequency shifting
– 8 preset crossover filters
 Individual channel and master soft/hard mute
 Automatic zero-detect and invalid input mute
 Automatic amplifier power-down on clock loss
 Advanced AM interference frequency
switching and noise suppression modes
 I²S output channel mapping function
 Independent channel volume and DSP bypass
 Channel mapping of any input to any
processing/FFX channel
 Selectable per-channel FFX damped ternary or
binary PWM output
 Max power correction for lower full-power THD
 Variable per-channel FFX output delay control
 192 kHz internal processing sampling rate,
24-bit to 36-bit precision
Table 1. Device summary
Order code
Package
Packaging
STA311B
VFQFPN56
Tray
STA311BTR
VFQFPN56 Tape and reel
October 2013
This is information on a product in full production.
DocID024340 Rev 1
1/102
www.st.com