SigmaDSP Audio Processors
| Part# | Audio Primary Function | ADC Channels | ADC THD+N (typ)(dB) | ADC Output Sample Rate (max)(SPS) | ADC DNR (typ)(dB) | DAC Outputs | DAC THD+N (typ)(dBc) | DAC DNR (dB)(dB) | Instructions per Sample | Programming/Control Interface | Automotive Recommended | US Price 1000 to 4999($ US) |
|---|
| ADAU1451 | SigmaDSP | - | - | - | - | - | - | - | - | I²C, SPI | Yes | $6.01 |
| ADAU1450 | SigmaDSP | - | - | - | - | - | - | - | - | I²C, SPI | Yes | $4.34 |
| ADAU1452 | SigmaDSP | - | -120 | 192k | - | - | - | 139 | - | I²C, Self-boot, SPI | Yes | $7.93 |
| ADAU1772 | CODEC, SigmaDSP | 4 | -94 | 192k | 102 | 2 | -94 | 104 | - | I²C, SPI | - | $4.53 |
| ADAU1461 | CODEC, SigmaDSP | 2 | -90 | 96k | 99 | 5 | -92 | 101 | 1024 | I²C, SPI | Yes | - |
| ADAU1442 | SigmaDSP | 0 | - | 192 | - | 24 | - | - | 3584 | SPI | Yes | $8.58 |
| ADAU1401A | CODEC, SigmaDSP | 2 | -83 | 192k | 100 | 4 | -90 | 104 | 1024 | I²C, SPI, Stand Alone | Yes | $3.73 |
| ADAU1781 | CODEC, SigmaDSP | 2 | -90 | 96k | 99 | 3 | -88 | 103 | 1024 | I²C, SPI | - | - |
| ADAU1446 | SigmaDSP | 0 | -120 | 192 | - | 24 | - | - | 3584 | - | Yes | $6.99 |
| ADAU1761 | CODEC, SigmaDSP | 2 | -90 | 96k | 101 | 2 | -92 | 99 | 1024 | I²C, SPI | - | $3.91 |
| ADAU1445 | SigmaDSP | 0 | - | 192 | - | 24 | - | - | 3584 | SPI | Yes | $7.83 |
| ADAU1702 | CODEC, SigmaDSP | 2 | -83 | 192k | 100 | 4 | -90 | 104 | 512 | I²C | - | $3.57 |
| ADAU1701 | CODEC, SigmaDSP | 2 | -83 | 192k | 100 | 4 | -90 | 104 | 1024 | I²C, SPI, Stand Alone | - | $4.52 |
| AD1941 | SigmaDSP | 0 | - | 192 | - | 0 | - | - | 1536 | - | Yes | - |
| AD1940 | SigmaDSP | 0 | - | 192 | - | 0 | - | - | 1536 | - | Yes | $5.55 |
| AD1953 | SigmaDSP | 0 | - | 48 | - | 3 | -100 | 112 | 512 | SPI | - | - |
