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

SigmaDSP Audio Processors

  Hold Shift Key for secondary sorting
SortOrderPart#Data Memory
(Words)
Program Memory
(Words)
Serial Input PortsSerial Output PortsStereo Sample Rate ConvertersCore Frequency
(Hz)
Instructions per SampleInterfacePrice (1000+)
($ US)
1ADAU1467 80 24 12 12 8 300M 6144 I²C, Self-boot, SPI $8.78 (ADAU1467WBCPZ300)
2ADAU1463-300 48 16 4 4 8 300M 6144 I²C, Self-boot, SPI $7.32 (ADAU1463WBCPZ300)
3ADAU1466 80 24 4 4 8 300M 6144 I²C, Self-boot, SPI $7.99 (ADAU1466WBCPZ300)
4ADAU1462-300 48 16 12 12 8 300M 6144 I²C, Self-boot, SPI $6.66 (ADAU1462WBCPZ300)
5ADAU1451 16 8 4 4 8 300M 6144 I²C, Self-boot, SPI $5.20 (ADAU1451WBCPZ)
6ADAU1450 8 8 4 4 0 150M 3072 I²C, Self-boot, SPI $4.22 (ADAU1450WBCPZ)
7ADAU1452 40 8 4 4 8 300M 6144 I²C, Self-boot, SPI $6.02 (ADAU1452KCPZ)
8ADAU1461------ 1024 I²C, SPI-
9ADAU1442 12 4 9 9 8 172M 3584 I²C, Self-boot, SPI $8.58 (ADAU1442YSVZ-3A)
10ADAU1401A------ 1024 I²C, SPI, Stand Alone $3.73 (ADAU1401AWBSTZ)
11ADAU1781------ 1024 I²C, SPI-
12ADAU1446 12 4 9 9 0 172M 3584 I²C, Self-boot, SPI $7.20 (ADAU1446YSTZ-3A)
13ADAU1761Reference Circuit Available------ 1024 I²C, SPI $4.03 (ADAU1761BCPZ)
14ADAU1445 12 4 9 9 8 172M 3584 I²C, Self-boot, SPI $8.06 (ADAU1445YSVZ-3A)
15ADAV4622------ 2560 I²C $9.87 (ADAV4622BSTZ)
16ADAV4601-------- $6.40 (ADAV4601BSTZ)
17ADAU1702------ 512 I²C $3.68 (ADAU1702JSTZ)
18ADAU1701Reference Circuit Available------ 1024 I²C, SPI, Stand Alone $4.52 (ADAU1701JSTZ)