Automotive 8-Channel Class-D Amplifier with 2.1 MHz Switching Power Supply Reference Design
Description
TIDA-00733 is a reference design for an eight-channel: Class-D amplifier that is capable of driving 2-Ω loads and an off-battery step-down power supply with 5-V and 3.3-V outputs. The amplifier design provides audio inputs for each audio channel. A high-performance audio analog-to-digital converter (ADC) creates the digital data stream from the audio inputs and creates the digital timing for the system.
Features
- Operating voltage range: 4.5V to 18VWithstands transients to 40V2.1 MHz switching frequency for both power supply and Class D amplifiers45 watts per channel into 2 ohms at 10% total harmonic distortion plus noisePasses CISPR-25 Class 5 radiated emissions
Applications
- Automotive head unit
- Automotive external amplifier
- Process analytics
- Digital cockpit processing unit
- Aftermarket head unit
- Aftermarket audio amplifier
- Virtual engine sound system (VESS)
Product Categories
- Audio