Download the XA9221 datasheet PDF.
This datasheet also covers the XA9221-X variant, as both devices belong to the same 2 x 20w stereo class-d audio amplifier family and are provided as variant models within a single manufacturer datasheet.
The XA9221 is a high efficiency stereo class-D audio amplifier with adjustable power limit func
Overview
XA9221
2x20W Stereo Class-D Audio Amplifier with Power Limit.
Key Features
Single supply voltage 4.5V ~ 26V for loudspeaker driver Built-in LDO output 5V for others Loudspeaker power from 24V supply BTL Mode: 20W/CH into 8Ω @.