SigmaDSP 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, ADCs, DACs and Output Amplifiers.
AUDIO PRODUCTS
SigmaDSP IN APPLICATIONS
Engineered. Tested. Ready to Integrate.
PRODUCT SELECTION TABLES
SigmaDSP Audio Processors
| 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 | - |
$ |
SigmaDSP Processors for TV
| 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 | - |
