PT8915 datasheet(1/5 Pages) PTC

Il numero della parte	PT8915

Spiegazioni elettronici	USB Speaker Controller with Class-D Amp.

PDF	5 Pages

Scroll/Zoom	100%

Produttore elettronici	PTC [Princeton Technology Corp]

Homepage	http://www.princeton.com.tw

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1 / 5 page

PT8915

USB Speaker Controller with Class-D Amp.

Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan

DESCRIPTION

The PT8915 is a cost-efficient single chip for USB

speaker application. It integrated USB controller, 16 bit

audio DAC, line input 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 PT8915 is

a truly plug and play USB audio device. The

embedded GPIO pins provide the mute and volume

adjustment functions whatever the USB port is

connected or not, Via the I²C pins. Vendor can store

vendor specified VID, PID, language ID and product

string information in external EEPROM.

APPLICATION

• USB Speaker

FEATURES

• Compliant with USB2.0 full speed specification.

• Compliant with USB Audio class specification.

• Compliant with USB HID class specification for

volume and mute remote control.

• Supply voltage: 4.5~5.5V

• Build-in class-D audio amplifier with 2Watt output

power for each channel.

(external power+4Ω speaker)

• Built-in PLL(48MHz for USB)

• Built-in USB/LINE IN function for selecting PC or

external signal.

• Key pad control in USB and Line IN function for

mute, volume up and volume down.

• I

2C interface for optional external EEPROM to

store vendor specified VID, PID, language ID and

product string information.

• Packages: 28 pins SOP

BLOCK DIAGRAM

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