音频DSP系统 | BELASIGNA 300
概览
BelaSigna® 300 是一款超低功耗、高保真非立体声音频处理器，用于便携式通信设备，可提供卓越的音频清晰度，而不会增大尺寸或缩短电池寿命。BelaSigna 300 为容易产生噪声和回声的器件提供了实现卓越音频性能的基础。它独特的专利双核结构可以实现多种先进算法的同时运行，同时保持极低功耗。这种微型超低功耗、单芯片方案对电池使用寿命或外形几乎没有影响，适用于便携式设备。安森美半导体以及我们的方案合作伙伴网络拥有业内专业技术和最佳算法，可帮助您快速开发和启动产品。BelaSigna 300 芯片由一套完整的开发工具、实操培训和完整的技术支持提供支持。
- Digital Audio Processing
- Mobile Phones
- Hands-free kits
- Wireless headsets
- Other portable audio devices
- Electrocardiograph
- Pulse Oximeter
- Load-balanced dual-core DSP architecture optimized for audio processing
- Ultra-low power consumption: typically 1-10 mA
- Miniature form factor: 3.63 x 2.68 mm PCB area with few external components
- Input Stage:
- 88 dB system dynamic range extendable to 110 dB
- A/D sample rates from 8.0 to 60 kHz
- 4 independent channels - Output stage:
- High-fidelity Class-D output drives speakers directly
- 25 mA maximum acoustic power output - Flexible Input Output Controller (IOC) to offload digital signal moves from the DSP
- Supports advanced adaptive audio processing algorithms with extremely low group delay
- 128-bit AES advanced encryption to protect manufacturer and user data
- Seamless connection to other systems and HMI devices such as buttons, potentiometers and LEDs
- External clock input up to 40 MHz
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