STA339BW_V01中文资料意法半导体数据手册PDF规格书

特性 Features

 Wide voltage supply range

– 5 V to 26 V (operating range)

– 30 V (absolute maximum rating)

 3 power output configurations

– 2 channels of ternary PWM (stereo mode)

(2 x 20 W into 8  at 18 V)

– 3 channels - left, right using binary and LFE

using ternary PWM (2.1 mode) (2 x 9 W +

1 x 20 W into 2 x 4, 1 x 8  at 18 V)

– 2 channels of ternary PWM (2 x 20 W) +

stereo lineout ternary

 2.1 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

 Two independent DRC configurable as a

dual-band anti-clipper (B2DRC) or as

independent limiters/compressors

 EQ-DRC for DRC based on filtered signals

 Dedicated LFE processing for bass boosting

with 0.5 dB/step resolution

 Audio presets:

– 15 preset crossover filters

– 5 preset anti-clipping modes

– Preset night-time listening mode

 Individual channel and master soft/hard mute

 Independent channel volume and DSP bypass

 Automatic zero-detect mute

 Automatic invalid input-detect mute

 2-channel I2S input data interface

 Input and output channel mapping

 Up to 8 user-programmable biquads per

channel with 28-bit resolution

 3 coefficient banks for EQ presets storing with

fast recall via I2C interface

 Bass/treble tones and de-emphasis control

 Selectable high-pass filter for DC blocking

 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 apps: 576 * fS input mode supported

 Fully compatible with STA339BWS.