PT8913 Datasheet (Princeton Technology)

PT8913, USB Speaker Controller

The PT8913 is a cost-efficient single chip for USB speaker application.

It integrated USB controller, 16 bit audio DAC and high power, high efficient Class-D audio amplifier in one chip.

Only few external components needed in application circuits makes it suite for the USB powered speaker system.

PT8913 Features

* Compliant with USB2.0 full speed specification. Compliant with USB Audio class specification. Supply voltage: 4.5~5.5V Built-in class-D audio amplifier with 1Watt output power for each channel. (USB 500mA+8ohm speaker)

* Built-in PLL (48MHz for USB)