This document details the features and characteristics of the STA350BW Sound Terminal® 2.1-channel high-efficiency digital audio system, including the product's supply voltage range, four power output configurations, FFX™ 100 dB SNR and dynamic range, selectable 32 to 192 kHz input sample rates, I2C control, digital gain/attenuation, soft volume update, individual channel and master gain/attenuation, two independent DRCs, EQ-DRC, dedicated LFE processing, audio presets, individual channel and master soft/hard mute, independent channel volume and DSP bypass, automatic zero-detect mute, automatic invalid input-detect mute, I2S input data interface, input and output, etc.
The STA350BW is a 2.1-channel high-efficiency digital audio system designed by STMicroelectronics. It supports wide-range supply voltages from 8 V to 26 V and offers four power output configurations, including stereo mode (2 x 50 W) and 2.1 mode with an LFE channel (2 x 18 W + 1 x 40 W). The device utilizes FFX™ technology for a signal-to-noise ratio of 100 dB.
| Supply Voltage (Operating) | 8 V to 26 V |
|---|---|
| Absolute Maximum Rating | 30 V |
| Stereo Mode Power Output | 2 x 50 W into 6 @ at 25 V |
| 2.1 Mode Power Output | 2 x 18 W + 1 x 40 W into 2x49,1x8Qat25V |
| Mono-BTL Power Output | 1 x 90 W into 3 © at 24.5 V |
| Signal-to-Noise Ratio | 100 dB |
| Input Sample Rates | 32 to 192 kHz |
The device operates with a wide-range supply voltage from 8 V to 26 V.
The system offers four configurations: stereo mode, 2.1 mode with LFE, stereo plus lineout, and mono-BTL.
Yes, it supports a 96 kHz internal processing sample rate with quantization error noise shaping.