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PT8914 - USB Speaker Controller

General Description

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.

Key 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 power for each channel. (USB 500mA+8ohm speaker).
  • Built-in PLL (48MHz for USB).
  • Key pad control for mute, volume up and volume down.
  • Packages: 24 pins SOP.

📥 Download Datasheet

Datasheet Details

Part number PT8914
Manufacturer Princeton Technology
File Size 557.02 KB
Description USB Speaker Controller
Datasheet download datasheet PT8914 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PT8914 USB Speaker Controller with Class D Amp. www.DataSheet4U.com DESCRIPTION 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. The I/O interface is totally follow the USB audio class specification, no special driver software needs to install on user’s computer and support most popular Operating System in the recent market. The PT8914 is a truly plug and play USB audio device. The embedded GPIO pins provide the mute and volume adjustment functions. FEATURES • Compliant with USB2.0 full speed specification.