STA308A is STA's 8-channel 24-bit DDX™ multi-channel digital audio processor with over 100 dB SNR and dynamic range.
The STA308A is a single-chip solution designed for digital audio processing and control in multi-channel applications. It provides output capabilities for DDX (direct digital amplification) and supports high-quality, high-efficiency all-digital amplification when used with a DDX power device. The device is versatile, accepting most digital formats including 6.1/7.1-channel and 192 kHz, 24-bit DVD-audio, as well as DSD/SACD inputs.
| Number of audio channels | 8 channels of 24-bit DDX |
|---|---|
| Signal-to-noise ratio | >100 dB |
| Input sample rates | 32 kHz - 192 kHz |
| DSD/SACD input channels | 6 channels |
| Digital gain/attenuation range | +58 dB to -100 dB |
| Internal processing sample rate | 192 kHz |
| User programmable biquads per channel | Up to 10 independent 32-bit |
| Package type | TQFP64 |
In speaker mode with 8 channel outputs in parallel, the STA308A can deliver 1 W maximum.
Yes, it supports 6 channels of DSD/SACD input.
The digital gain/attenuation steps are 0.5 dB.