Overview
The BelaSigna 300, produced by onsemi, is a DSP-based mixed-signal audio processing system designed for monaural portable communication devices. It offers superior audio clarity without compromising on size or battery life. This processor is optimized for high-performance audio processing and programming flexibility, making it ideal for applications where form factor and power consumption are critical design constraints.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Voltage at any input pin | -0.3 | 2.0 | V | |
| Operating supply voltage | 0.9 | 2.0 | V | |
| Operating temperature range | -40 | 85 | °C | |
| Storage temperature range | -55 | 85 | °C | |
| Input dynamic range | 110 | dB | ||
| Output dynamic range | 92-95 | dB | ||
| Output THD+N | -79 to -76 | dB | ||
| Power consumption | 1-5 | mA | ||
| Package dimensions | 3.63 mm x 2.68 mm x 0.92 mm |
Key Features
- Flexible DSP-based System: A complete DSP-based, mixed-signal audio system with a 24-bit CFX DSP core, HEAR configurable accelerator, and efficient input/output controller.
- Ultra-low-power: Typically consumes 1-5 mA.
- Excellent Audio Fidelity: Up to 110 dB input dynamic range, exceptionally low system noise, and low group delay.
- Miniature Form Factor: Available in a 3.63 mm x 2.68 mm x 0.92 mm WLCSP package.
- Multiple Audio Input Sources: Four input channels from five input sources can be used simultaneously for multiple microphones or direct analog audio inputs.
- Full Range of Configurable Interfaces: Includes I2C, PCM, UART, SPI, and GPIO interfaces.
- Integrated A/D Converters and Powered Output: Minimizes the need for external components.
- Flexible Clocking Architecture: Supports speeds up to 40 MHz.
- Smart Power Management: Includes low current standby mode requiring only 0.06 mA.
- Diverse Memory Architecture: 4864x48-bit words of shared memory, 8-Kword DSP core data memory, and 12-Kwords of 32-bit DSP core program memory.
- Data Security: 128-bit AES encryption for sensitive program data.
- Development Tools: Comprehensive suite of development tools, hands-on training, and full technical support.
Applications
The BelaSigna 300 is designed for use in monaural portable communication devices, such as:
- Smartphones and mobile phones
- Headsets and earbuds
- Two-way radios and walkie-talkies
- Wearable devices with audio capabilities
- Other portable audio communication equipment
Q & A
- What is the BelaSigna 300?
The BelaSigna 300 is a DSP-based mixed-signal audio processing system designed for monaural portable communication devices.
- What are the key features of the BelaSigna 300?
Key features include a flexible DSP-based system, ultra-low power consumption, excellent audio fidelity, and a miniature form factor.
- What is the typical power consumption of the BelaSigna 300?
The typical power consumption is 1-5 mA.
- What is the input dynamic range of the BelaSigna 300?
The input dynamic range is up to 110 dB.
- What interfaces does the BelaSigna 300 support?
The BelaSigna 300 supports I2C, PCM, UART, SPI, and GPIO interfaces.
- What is the package size of the BelaSigna 300?
The package dimensions are 3.63 mm x 2.68 mm x 0.92 mm.
- Does the BelaSigna 300 support multiple audio input sources?
Yes, it supports four input channels from five input sources.
- What kind of memory architecture does the BelaSigna 300 have?
The BelaSigna 300 has a diverse memory architecture including shared memory, DSP core data memory, and DSP core program memory.
- Is the BelaSigna 300 secure?
Yes, it includes 128-bit AES encryption for data security.
- What development tools are available for the BelaSigna 300?
A comprehensive suite of development tools, hands-on training, and full technical support are available.
