The IRS2461SXUMA1 is an audio amplifier IC from Infineon Technologies, designed for high-performance Class D audio applications. This integrated circuit combines advanced modulation techniques with robust protection features to deliver superior audio quality and reliability. It is commonly found in applications where energy efficiency and compact size are critical.

Applications

• Home theater systems: Powering surround sound speakers and subwoofers.
• Automotive audio amplifiers: Enhancing the audio experience in vehicles.
• Portable audio devices: Including Bluetooth speakers and headphones.
• Professional audio equipment: Such as mixing consoles and studio monitors.
• Televisions and soundbars: Providing high-quality audio reproduction.

Features

• Class D Amplifier: Offers high efficiency compared to traditional Class AB amplifiers.
• Integrated Digital Audio Processing: Includes features like volume control, EQ, and dynamic range compression.
• PWM Modulation: Utilizes Pulse Width Modulation for efficient power conversion.
• Overcurrent Protection (OCP): Protects the amplifier from excessive current draw.
• Overvoltage Protection (OVP): Prevents damage due to excessive voltage levels.
• Undervoltage Protection (UVP): Shuts down the amplifier if the input voltage falls below a safe level.
• Thermal Shutdown Protection (OTP): Protects the amplifier from overheating.
• Click and Pop Suppression: Minimizes audible artifacts during power-up and power-down.
• Short-Circuit Protection: Safeguards the amplifier against short-circuit conditions.
• Low THD+N: Provides high-fidelity audio reproduction with minimal distortion.

Benefits

• High Efficiency: Class D operation minimizes power consumption and heat dissipation.
• Superior Audio Quality: Integrated audio processing and low distortion deliver clear and accurate sound.
• Enhanced Reliability: Comprehensive protection features safeguard against damage.
• Compact Size: Integrated design reduces component count and board space.
• Ease of Use: Simplified design and control interface streamline integration.

Additional Details

The IRS2461SXUMA1 supports a wide range of input voltages and output power levels. It is designed for low EMI (Electromagnetic Interference) performance. The device is available in a small surface mount package, suitable for compact designs. The operating temperature range is -40°C to +85°C, making it suitable for a wide range of environments. The amplifier is RoHS compliant.