SigmaDSP Audio Processors
SigmaDSP® processors are fully programmable, single chip audio DSPs that are easily configurable through the SigmaStudio™ graphical development tool, and are ideal for automotive and portable audio products. SigmaDSP chips are available with integrated sample rate converters, A/D converters, D/A converters, and output amplifiers.
Product Selection Table
Latest Resources
Application Notes
- AN-951: Using Hardware Controls with SigmaDSP GPIO Pins (Rev. A) PDF
- AN-1056: Capless Headphone Virtual Ground Short-Circuit Protection for the ADAU1361 and ADAU1761 Low Power Codecs (Rev. 0) PDF
- AN-923: Designing a System Using the ADAU1701/ADAU1702 in Self-Boot Mode (Rev. 0) PDF
- AN-620: Using the AD1836 and AD1953 for a 4-In/9-Out Analog System with DSP (Rev. 0) PDF
Data Sheets
- AD1940/AD1941: SigmaDSP Multichannel 28-Bit Audio Processor Data Sheet (Rev. B) PDF
- ADAU1401A: SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs Data Sheet (Rev. A) PDF
- ADAU1761: SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL Data Sheet (Rev. E) PDF
- AD1953: SigmaDSP Three-Channel, 26-Bit Signal Processing DAC Data Sheet (Rev. A) PDF
- ADAU1401: SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs Data Sheet (Rev. C) PDF
Informational
SigmaDSP Audio Processors
SortOrder | Part# | Data Memory (Words) | Program Memory (Words) | Serial Input Ports | Serial Output Ports | Stereo Sample Rate Converters | Core Frequency (Hz) | Instructions per Sample | Interface | Price (1000+) ($ US) |
---|---|---|---|---|---|---|---|---|---|---|
1 | ADAU1472 | - | - | 5 | 5 | 4 | 270.3M | - | I²C, JTAG, PDM, QSPI, Self-boot, SPI | - |
2 | ADAU1787 | 2048 | 2048 | 2 | 2 | 4 | 24.58M | 1024 | I²C, SPI | $8.95 (ADAU1787BCBZRL) |
3 | ADAU1467 | 80 | 24 | 12 | 12 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $8.78 (ADAU1467WBCPZ300) |
4 | ADAU1466 | 80 | 24 | 4 | 4 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $7.99 (ADAU1466WBCPZ300) |
5 | ADAU1463-300 | 48 | 16 | 4 | 4 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $7.32 (ADAU1463WBCPZ300) |
6 | ADAU1462-300 | 48 | 16 | 12 | 12 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $6.66 (ADAU1462WBCPZ300) |
7 | ADAU1451 | 16 | 8 | 4 | 4 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $5.20 (ADAU1451WBCPZ) |
8 | ADAU1450 | 8 | 8 | 4 | 4 | 0 | 150M | 3072 | I²C, Self-boot, SPI | $4.22 (ADAU1450WBCPZ) |
9 | ADAU1452 | 40 | 8 | 4 | 4 | 8 | 300M | 6144 | I²C, Self-boot, SPI | $5.58 (ADAU1452WBCPZ150) |
10 | ADAU1442 | 12 | 4 | 9 | 9 | 8 | 172M | 3584 | I²C, Self-boot, SPI | $8.58 (ADAU1442YSVZ-3A) |
11 | ADAU1401A | - | - | - | - | - | - | 1024 | I²C, SPI, Stand Alone | $3.73 (ADAU1401AWBSTZ) |
12 | ADAU1446 | 12 | 4 | 9 | 9 | 0 | 172M | 3584 | I²C, Self-boot, SPI | $7.20 (ADAU1446YSTZ-3A) |
13 | ADAU1761![]() | - | - | - | - | - | - | 1024 | I²C, SPI | $4.03 (ADAU1761BCPZ) |
14 | ADAU1445 | 12 | 4 | 9 | 9 | 8 | 172M | 3584 | I²C, Self-boot, SPI | $8.06 (ADAU1445YSVZ-3A) |
15 | ADAV4622 | - | - | - | - | - | - | 2560 | I²C | $9.87 (ADAV4622BSTZ) |
16 | ADAV4601 | - | - | - | - | - | - | - | - | $6.40 (ADAV4601BSTZ) |
17 | ADAU1702 | - | - | - | - | - | - | 512 | I²C | $3.68 (ADAU1702JSTZ) |
18 | ADAU1701![]() | - | - | - | - | - | - | 1024 | I²C, SPI, Stand Alone | $4.52 (ADAU1701JSTZ) |