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#Audio Primary FunctionChannelsADC THD+N (typ)
(dB)
Sample Rate (max)
(SPS)
DAC OutputsTHD+N (typ)
(dBc)
DNR
(dB)
Instructions per SampleInterfaceReliability LevelUS Price 1000 to 4999
($ US)
1ADAU1777 CODEC, SigmaDSP 4 -94 768k 2 -94 104- I²C, SPI- $6.04
2ADAU1451 SigmaDSP------- I²C, SPI Automotive $6.01
3ADAU1450 SigmaDSP------- I²C, SPI Automotive $4.34
4ADAU1452 SigmaDSP- -120 192k-- 139- I²C, Self-boot, SPI Automotive $7.93
5ADAU1772 CODEC, SigmaDSP 4 -94 192k 2 -94 104- I²C, SPI- $4.53
6ADAU1461 CODEC, SigmaDSP 2 -90 96k 5 -92 101 1024 I²C, SPI--
7ADAU1442 SigmaDSP 0- 192 24-- 3584 SPI- $8.58
8ADAU1401A CODEC, SigmaDSP 2 -83 192k 4 -90 104 1024 I²C, SPI, Stand Alone Automotive $3.73
9ADAU1781 CODEC, SigmaDSP 2 -90 96k 3 -88 103 1024 I²C, SPI--
10ADAU1446 SigmaDSP 0 -120 192 24-- 3584-- $7.20
11ADAU1761Reference Circuit Available CODEC, SigmaDSP 2 -90 96k 2 -92 99 1024 I²C, SPI- $4.03
12ADAU1445 SigmaDSP 0- 192 24-- 3584 SPI- $8.06
13ADAU1702 CODEC, SigmaDSP 2 -83 192k 4 -90 104 512 I²C- $3.68
14ADAU1701Reference Circuit Available CODEC, SigmaDSP 2 -83 192k 4 -90 104 1024 I²C, SPI, Stand Alone- $4.52
15AD1941 SigmaDSP 0- 192 0-- 1536---
16AD1940 SigmaDSP 0- 192 0-- 1536-- $5.72
17AD1953 SigmaDSP 0- 48 3 -100 112 512 SPI--