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 SampleInterfaceAutomotiveUS Price 1000 to 4999
($ US)
1ADAU1467 80 24 12 12 8 300M 6144 I²C, Self-boot, SPI Yes $8.78
2ADAU1466 80 24 4 4 8 300M 6144 I²C, Self-boot, SPI Yes $7.99
3ADAU1463-300 48 16 4 4 8 300M 6144 I²C, Self-boot, SPI Yes $7.32
4ADAU1463-150 48 16 4 4 8 150M 3072 I²C, Self-boot, SPI Yes $6.22
5ADAU1462-300 48 16 12 12 8 300M 6144 I²C, Self-boot, SPI Yes $6.66
6ADAU1462-150 48 16 12 12 8 150M 3072 I²C, Self-boot, SPI Yes $5.65
7ADAU1451 16 8 4 4 8 300M 6144 I²C, Self-boot, SPI Yes $6.01
8ADAU1450 8 8 4 4 0 300M 3072 I²C, Self-boot, SPI Yes $4.34
9ADAU1452 40 8 4 4 8 300M 6144 I²C, Self-boot, SPI Yes $7.93
10ADAU1442 12 4 9 9 8 172M 3584 I²C, Self-boot, SPI No $8.58
11ADAU1446 12 4 9 9 0 172M 3584 I²C, Self-boot, SPI No $7.20
12ADAU1445 12 4 9 9 8 172M 3584 I²C, Self-boot, SPI No $8.06

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