| Part Number | General Description | Marketing Status | Package |
| STA309B | Multi-channel digital audio processor with FFX | Preview | VFQFPN 59 8x8x0.9 |
| STA321 | 4-channel digital audio system with FFX driver | Active | TQFP 64 10x10x1.4 |
| STA309A | Multi-channel digital audio processor with DDX® | Active | LQFP 64 10x10x1.4 |
| STA311B | Multichannel digital audio processor with FFX | Active | VFQFPN 59 8x8x0.9 |
| STA321MP | Scalable digital microphone processor | Active | LQFP 64 10x10x1.4; VFQFPN 59 8x8x0.9 |
