Overview
The BelaSigna 300, specifically the B300W35A102XYG model from ON Semiconductor, is a DSP-based mixed-signal audio processing system designed for monaural portable communication devices. This processor is optimized for high-performance audio processing while minimizing size and power consumption. It features a dual-MAC 24-bit CFX DSP core and the HEAR configurable accelerator signal processing engine, which enable advanced adaptive noise reduction and echo cancellation algorithms. The system also includes a state-of-the-art analog front end, Class D output stage, and various interfaces for comprehensive functionality.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| 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 | 85 | 89 | 89 | dB | 1 kHz, 20 Hz to 8 kHz BW |
| Output dynamic range | 92 | 95 | dB | Unweighted, 100 Hz to 8 kHz BW, mono | |
| Output THD+N | -79 | -76 | dB | Unweighted, 100 Hz to 22 kHz BW, mono | |
| Power consumption | 1 | 5 | mA | Typical | |
| Package dimensions | 3.63 mm x 2.68 mm x 0.92 mm | Including solder balls |
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: Features shared memory, DSP core data memory, and DSP core program memory.
- Data Security: Supports 128-bit AES encryption for sensitive program data.
- Development Tools: Includes interface hardware with USB support and a full IDE for program development, testing, and debugging.
Applications
The BelaSigna 300 is designed for use in monaural portable communication devices, such as two-way radios, walkie-talkies, and other handheld communication equipment. It is also suitable for applications requiring high-performance audio processing with low power consumption, such as hearing aids, audio headsets, and other portable audio devices.
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, a miniature form factor, multiple audio input sources, and a full range of configurable interfaces.
- 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 types of 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, including solder balls.
- Does the BelaSigna 300 support data security features?
Yes, it supports 128-bit AES encryption for sensitive program data.
- What development tools are available for the BelaSigna 300?
Development tools include interface hardware with USB support and a full IDE for program development, testing, and debugging.
- What are the typical applications of the BelaSigna 300?
Typical applications include monaural portable communication devices, hearing aids, audio headsets, and other portable audio devices.
- Is the BelaSigna 300 RoHS-compliant?
Yes, the BelaSigna 300 is Pb-free, RoHS-compliant, and Green.
