SigmaDSP® 处理器是完全可编程的单芯片音频DSP，可以通过SigmaStudio图形开发工具轻松地进行配置，堪称汽车和便携式音频产品的理想之选。SigmaDSP芯片可以与采样速率转换器、ADC、DAC和输出放大器集成提供。
已完成设计、测试，可供立即集成
产品选型表
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评估
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- SigmaStudio软件 (Free!)
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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 | - |
$ |
