PT8914 Datasheet (Princeton Technology)

PT8914, USB Speaker Controller

The PT8914 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.

PT8914 Features

* Compliant with USB2.0 full speed specification.

* Compliant with USB Audio class specification.

* Compliant with USB HID class specification for volume, mute remote control.

* Supply voltage: 4.5~5.5V

* Built-in class-D audio amplifier with 1Watt output powe