What are the responsibilities and job description for the Applications Engineer position at Cirrus Logic?
For over four decades, Cirrus Logic has been propelled by the top engineers in mixed-signal processing. Our rockstar team thrives on solving complex challenges with innovative end-user solutions for the world's top consumer brands. Cirrus Logic is also known for its award-winning culture, which was built on a foundation of inclusion and fairness, meaningful community engagement, and delivering enjoyable employee experiences at every turn. But we couldn’t do it without our extraordinary workforce – and that’s where you come in. Join our team and help us continue to make Cirrus Logic an exceptional place to grow your career!
Join a dynamic Applications Engineering team driving innovation in Mixed Signal Audio solutions. As an Applications Engineer focused on Class D Amplifiers, you will play a pivotal role in enabling customers to integrate high-performance audio solutions into their products. You’ll lead technical engagements, develop reference platforms, and contribute to product definition for next-generation Class D amplifier technologies.
Key Responsibilities
Cirrus Logic strives to select the best qualified applicant for any opening. Different approaches, ideas and points of view are both valued and respected. Employment decisions are made on the basis of job-related criteria without regard to race, color, religion, sex, national origin, age, protected veteran or disabled status, genetic information, or any other classification protected by applicable law.
Join a dynamic Applications Engineering team driving innovation in Mixed Signal Audio solutions. As an Applications Engineer focused on Class D Amplifiers, you will play a pivotal role in enabling customers to integrate high-performance audio solutions into their products. You’ll lead technical engagements, develop reference platforms, and contribute to product definition for next-generation Class D amplifier technologies.
Key Responsibilities
- Provide expert-level engineering support for Cirrus Logic customers and field teams, with a focus on Class D amplifier integration.
- Design and develop reference platforms and evaluation boards showcasing Class D amplifier performance, including EMI mitigation and thermal optimization.
- Author detailed application notes, white papers, and design guides tailored to Class D amplifier use cases.
- Collaborate with layout engineers to produce high-fidelity PCB designs optimized for audio performance and efficiency.
- Create advanced Python scripts and automation tools for audio performance characterization and demo control.
- Conduct in-depth circuit analysis and data collection for customer applications, including THD N, efficiency, and power delivery metrics.
- Influence product definition by contributing insights from customer feedback and system-level testing.
- Work closely with IC Design, Systems, and Validation teams to align design requirements with real-world use cases.
- Manage multiple priorities independently and communicate project status across cross-functional teams.
- Occasional travel (approx. 2 weeks/year) for customer support and technical training.
- Bachelor’s degree in Electrical Engineering with 2 years of experience in semiconductor or audio systems.
- Strong understanding of Class D amplifier architectures, modulation schemes (PWM, PDM), and protection mechanisms.
- Experience with audio interface standards: I2S, TDM, I2C, SPI, USB, UART.
- Proficient in schematic capture and PCB layout principles for high-efficiency audio systems.
- Skilled in C/C , Python or other programming language.
- Familiarity with version control systems (e.g., Git) and collaborative development workflows.
- Hands-on experience with lab equipment: oscilloscopes, audio analyzers, spectrum analyzers, power supplies.
- Excellent communication skills for customer interaction and cross-functional collaboration.
- Background in mixed-signal hardware and audio systems is strongly preferred.
Cirrus Logic strives to select the best qualified applicant for any opening. Different approaches, ideas and points of view are both valued and respected. Employment decisions are made on the basis of job-related criteria without regard to race, color, religion, sex, national origin, age, protected veteran or disabled status, genetic information, or any other classification protected by applicable law.