Analog Devices' proven analog and digital technology delivers audiophile performance for the entire world of audio. SigmaDSP® allows designers to use the SigmaStudio graphical tool with an audio digital signal processor without assembly or C coding. Many SigmaDSP processors also integrate high-performance audio ADCs and DACs to build a full audio system-on-chip. ADI's SHARC® Processors are the leaders in quality audio processing and the Blackfin® Processors in mobile multimedia. Check the SigmaDSP FAQ for any questions you might have. If they are not answered there, direct any SigmaDSP support inquiries to sigmadsp@analog.com.
| Part# | Core Frequency | Instructions/Sample | Program RAM (kWord) | Data RAM (k Words) | Digital I/O Channels | Analog I/O Channels | GPIOs | Automotive Qualified | Package | Self Boot | US Price 1000-4999 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ADAU1461 | 50MHz | 1024 | 1KWord | 4k | 8/8 | 2/2 | 4 | Yes | LFCSP | - |
$ |
| ADAU1401A | 50MHz | 1024 | 1KWord | 2k | 8/8 | 2/4 | 12 | Yes | LQFP | I2C |
$ |
| ADAU1442 | 172MHz | 3584 | 3.5KWord | 8k | 24/24 | 0/0 | 12 | Yes | LQFP | I2C |
$ |
| ADAU1781 | 50MHz | 1024 | 500Word | 500mk | 8/8 | 2/2 | 5 | - | LFCSP | - |
$ |
| ADAU1446Reference Circuit Available | 172MHz | 3584 | 3.5KWord | 8k | 24/24 | 0/0 | 12 | Yes | LQFP | I2C |
$ |
| ADAU1445 | 172MHz | 3584 | 3.5KWord | 8k | 24/24 | 0/0 | 12 | Yes | LQFP | I2C |
$ |
| ADAU1761Reference Circuit Available | 50MHz | 1024 | 1KWord | 4k | 8/8 | 2/2 | 4 | - | LFCSP | - |
$ |
| ADAU1701Reference Circuit Available | 50MHz | 1024 | 1KWord | 2k | 8/8 | 2/4 | 12 | - | LQFP | I2C |
$ |
| ADAU1702 | 25MHz | 512 | 500Word | 500mk | 8/8 | 2/4 | 12 | - | LQFP | I2C |
$ |
| AD1941 | 75MHz | 1536 | 1.5KWord | 6k | 16/16 | 0/0 | - | Yes | LQFP | - |
$ |
| AD1940 | 75MHz | 1536 | 1.5KWord | 6k | 16/16 | 0/0 | - | Yes | LQFP | - |
$ |
| AD1953 | - | 512 | - | - | 4/6 | 0/3 | - | - | LQFP | - |
$ |
| Part# | Instructions/Cycles | # ADC Input Channels | # DAC Outputs | DAC THD+N @ 1 kHz (-3dB) | SNR (dB) | DAC DNR (dB) | ADC DNR (dB) | ADC THD+N (dB) | Digital I/O Channels | Digital Output PWM Chs | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ADAV4601 | - | 2 | 6 | 86dB | - | 94dB | 95dB | 90dB | - | 8 | - |
| ADAV4622 | 2560 | 4 | 8 | 86dB | - | 94dB | 95dB | 90dB | - | 8 | - |