CXAR41309 is a stereo audio power amplifier with a BOOST boost module. In Class D mode, the built-in BOOST boost module can adjust the boost value through an external resistor. Even if it is powered by a lithium battery, it can continuously output 2 × 5.5W of power under the conditions of 10% THD + N and 4Ω load when boosted to 7V. The CXAR41309 has the free switching function of Class AB and Class D, and can switch to Class AB audio power amplifier mode at any time when disturbed by EMI interference of Class D power amplifier. CXAR41309 integrated filter-free digital modulation technology, it can directly drive the speaker, and minimize the distortion and noise of the pulse output signal. The output does not require a filter network, and minimal external components save system space and cost, making it ideal for portable applications. In addition, the CXAR41309 built-in shutdown function to minimize the standby current, but also integrated output over-current protection, on-chip over-temperature protection and power supply under-voltage abnormal protection and other functions
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[ CXAR41309 ]"
