■ The A7003 is a cost-effective 12-W/channel stereo Class D audio power amplifier designed with Apexone's unique proprietary technology and architecture. The device can drive stereo speakers as low as 6 Ω. Apexone technique wins the advantage over that of traditional PWM class D audio power amplifier and allows the device to promote performance dramatically for audio solutions. It reduces THD and EMI effectively and offers low distortion across both the wide audio output power range and the full audio frequency domain. The device utilizes a fully differential architecture and a full-bridged output. The A7003 features low THD+N, high PSRR and high SNR. Short-circuit and thermal-overload-protection prevents the devices from being damaged during fault conditions. The high efficiency of the A7003 eliminates the need of external heat sinks in loud music applications.

■ Flat ultra-low distortion over wide output power

■ Flat ultra-low distortion across full audio frequency range

■ 12W/channel into 8 load from a 15V supply.

■ THD+N<0.012%(use 8 load and 12V Power)

■ High efficiency to 87%

■ High PSRR: 79dB

■ High SNR: 97dB

■ Four gain settings: 13.6dB,19.7dB,25.7dB,31.6dB

■ Integrated mute function minimizes click-pop sound.

■ Differential inputs minimizes common-mode noise

■ Thermal and Short-circuit protection

■ 8.5V to 15V Single-Supply Operation

■ ESD protection on all pins

■ e-TQFP48 package

■ It can be used in various applications such as LCD TV, powered speakers, DVD players with internal amplifier, and home theater.