The ChipSourceTek-CST8302A is a multi-technology audio power amplifier designed to meet the high demands of modern portable devices. This amplifier is known for its unique FM interference free characteristics, four anti-break AB/D class switchable modes and high efficiency, bringing new breakthroughs in the audio field.

1. Product overview

    The ChipSourceTek-CST8302A uses an advanced differential input architecture and extremely high power supply rejection ratio (PSRR) to effectively improve RF noise suppression. The PWM modulation structure without filter and the built-in gain mode make the design easier, reduce the use of external components, reduce the PCB area, and thus reduce the system cost. With an efficiency of up to 91% and a fast start-up time, this amplifier is ideal for portable audio devices. In addition, it provides extremely low turn-off current and comprehensive protection features, including OCP, OTP and UVLO, to ensure long-term stable operation of the system. Turning POP-click suppression on or off further improves the user experience and simplifies the system debugging process.

2. Technical characteristics

2.1. High performance and multi-mode switching

    ChipSourceTek-CST8302A supports flexible switching between Class AB and Class D working modes. Users can select the most suitable mode according to actual application scenarios. In Class D mode, the output power can reach 6.23W (VDD=7.0V, RL=4Ω, THD+N=10%), while at 5.0V operating voltage, the output power is 3.1W, maintaining low distortion and low noise levels. This flexibility not only optimizes performance, but also extends battery life.

2.2. No filter design

    The amplifier adopts a filterless PWM modulation structure, which greatly reduces the need for external components, simplifies circuit design, and reduces EMI interference, making it particularly suitable for integration into portable devices with FM function.

2.3. Low power consumption and fast response

    The ChipSourceTek-CST8302A has a standby current of less than 1μA, greatly extending the standby time of the system. At the same time, its fast startup time ensures that the device can be quickly restored from sleep to normal working state.

3. Scope of application

    ChipSourceTek-CST8302A is widely used in various portable audio devices, such as Bluetooth speakers, headphone amplifiers, mobile media players, etc. Its efficient performance and compact design make it the preferred component in these devices, providing high-quality audio output while guaranteeing device portability and energy efficiency.

4. Market performance

    Since its launch, the ChipSourceTek-CST8302A has gained wide recognition in the market due to its superior performance and innovative technical characteristics. It not only meets consumers' demand for a high-quality audio experience, but also provides manufacturers with a cost-effective solution. Whether at the consumer electronics show, or in the professional evaluation, ChipSourceTek-CST8302A has shown its strong competitiveness and broad market prospects.

5. Summary

    The ChipSourceTek-CST8302A is a high performance, high efficiency and highly integrated audio power amplifier. Its emergence has not only raised the sound quality standards of portable audio devices, but also promoted the entire industry to a more efficient and environmentally friendly direction. With the continuous advancement of technology and the increasing maturity of the market, ChipSourceTek TECH is expected to continue to lead the innovation trend in the field of audio power amplifiers in the future.