CS8673E Class-D Audio Amplifier IC by Chipstar | 2×40 W Stereo / 80 W Mono Output

CS8673E – High-Efficiency Class D Audio Power Amplifier | ESOP-16 Package

Description

The CS8673E from Chip Star is a high-performance Class D audio power amplifier IC designed for stereo and mono audio applications. It delivers 2 × 40W stereo output, or up to 80W in mono mode, making it an excellent choice for high-quality, space-saving audio systems.

With advanced EMI suppression technology, the CS8673E enables compliance with EMC requirements using only low-cost ferrite bead filters at the output stage. Its surface-mount ESOP16 package and minimal peripheral component requirement make it ideal for compact and efficient designs.

The device integrates over-current, short-circuit, and thermal protection, ensuring reliability and preventing damage in abnormal operating conditions. With an efficiency rating of up to 92%, the CS8673E eliminates the need for bulky heat sinks during normal music playback.

Key Features

• Audio Output:

  • Stereo: 2 × 40W

  • Mono: 80W continuous output

• Efficiency: Up to 92%

• Package: Compact ESOP-16

• Built-in Protections:

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

• EMI Suppression:

  • Compatible with low-cost ferrite bead filters

  • Meets EMC requirements

• Operating Temperature Range: –40°C to +85°C

Applications

• Home audio systems

• Portable Bluetooth speakers

• Soundbars and TV audio modules

• Car audio amplifiers

• Consumer and industrial audio equipment

Other Specifications

• Type: Class D Audio Power Amplifier IC

• Output Power: Up to 80W (mono) / 2×40W (stereo)

• Package: ESOP-16 (SMD)

• Efficiency: 92% (typical)