The SC8002B is a single-channel 3W class AB audio power amplifier designed for high-quality audio amplification in portable devices. Manufactured by SHENZHEN FUMAN ELECTRONICS CO., LTD., this amplifier is known for its low distortion, low noise, and efficient operation, making it ideal for battery-powered applications. Its compact size and minimal external components requirement contribute to its ease of integration into various electronic devices.

Applications

• Portable audio players
• Mobile phones
• Tablets
• Laptop computers
• USB speakers

Features

• 3W output power at 10% THD with a 4Ω load
• Low quiescent current
• Low THD+N (Total Harmonic Distortion plus Noise)
• Short-circuit protection
• Thermal shutdown protection
• Available in SOP-8 package
• Excellent PSRR (Power Supply Rejection Ratio)

Benefits

• High-quality audio: Delivers clear and crisp audio output, enhancing the listening experience.
• Long battery life: Low quiescent current consumption extends the operating time of battery-powered devices.
• Reliable operation: Built-in protection features ensure the amplifier's durability and prevent damage from common electrical faults.
• Compact design: Small package size allows for easy integration into space-constrained applications.
• Cost-effective: Provides a high level of performance at a competitive price point.

Additional Details

The SC8002B operates on a supply voltage range of typically 2.0V to 5.5V. It requires minimal external components, simplifying the design process and reducing the overall bill of materials (BOM) cost. The amplifier's low THD+N ensures minimal distortion, even at higher output levels. The thermal shutdown protection feature automatically disables the amplifier if the junction temperature exceeds a safe threshold, preventing overheating and potential damage.

The excellent PSRR of the SC8002B helps to reject noise and ripple present on the power supply line, ensuring a clean and stable audio output. This is particularly important in battery-powered devices where the power supply voltage can fluctuate. The device is available in a standard SOP-8 package, making it easy to solder and assemble using standard PCB manufacturing techniques. It is an ideal solution for a wide range of portable audio applications where high-quality audio, low power consumption, and compact size are critical requirements.