AK4543

The AK4543 is a 18bit high performance codec compliant with Audio Codec '97 Rev 2.1 requirements. The AC Link serial interface allows it to be used with digital controllers as well as custom logic accelerators to meet full PC98 and PC99 requirements for a PCI audio solution.The AK4543 provides two pairs of stereo outputs with independent volume controls along with a mono output, multiple stereo and mono inputs,are combined to create flexible mixing, gain and mute functions to provide a complete integrated audio solution for PCs.The product can function as a PrimaryAC'97or Secondary codec depending on the codec ID configuration(Multiple codec extension), making the AK4543 suitable for the docking station application and multiple codec applications such as 4 speaker output or 6 speaker output.Sampling at 48kHz, the product provides excellent audio performance, meeting or exceeding all standard requirements. It offers low power consumption, and flexible power-down modes for use in laptops, desktop PCs, and aftermarket add-in boards.

Like the earlier pin-compatible AK4540 and AK4542, the product is available in a compact 48-lead LQFP package.
The AK4543 is a pin compatible upgrade for the AK4540 and AK4542, some software changes will be required to experience the extra functions ot the AK4543.