Datasheet
CS43L21 Datasheet
DS723F2 | 2 MBApril 2020
The CS43L21 is a highly integrated, 24-bit, 96 kHz, low power stereo digital/analog converter (DAC) that allows infinite sample rate adjustments between 4 kHz and 96 kHz. The CS43L21 operates from a single, 1.8 V power supply to maximize battery life while minimizing end product form factors and delivering excellent audio performance with 46 mW of output power into 16 Ω headphones. By generating its own on-chip negative power supply voltage, the CS43L21 provides ground-centered outputs to eliminate costly, space-consuming DC blocking capacitors and reduce startup pops and clicks.
Headphone amplifier - GND centered
Digital signal processing engine
Beep generator
Low power operation
Software mode (I²C & SPI™ control)