CXAR41290 is a stereo output-free filter class d audio power amplifier with internal integration of 32-stage digital volume control and anti-clipping distortion function and ultra-low EMI and anti-clipping distortion function. it outputs up to 3.3W of power under the conditions of power supply voltage 5V, THD + N = 10% and 4Ω load, maintain high efficiency and provide high fidelity, low noise performance for Class AB amplifiers in a variety of audio end applications.
AROC radiation and conducted interference suppression circuit enable the CXAR41290 to have excellent full bandwidth and low radiation performance. The radiation level when the output horn line is 20cm long without auxiliary filter design is far below FCC Part15 Class B standard.
The CXAR41290's anti-clipping feature detects and suppresses output clipping distortion (broken sound) caused by excessive amplitude of music and voice signals or a drop in battery voltage, significantly improving sound quality, creating comfortable listening enjoyment and protecting speakers from overload damage. The sound quality and output power of the amplifier can be flexibly set by externally connecting different resistor and capacitor values at the ACRC end. At the same time, the chip provides ACF Off mode.
The CXAR41290 output eliminates the need for a filter network, and minimal external components save system space and cost, making it ideal for portable applications.
In addition, CXAR41290 built-in shutdown function minimizes standby current, and also integrates mute function, independent shutdown of left and right channels, over-current protection at speaker output, on-chip over-temperature protection and under-voltage abnormal protection, etc. Lead-free TSSOP-20 package is adopted.
-
[ CXAR41290 ]"
