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Princeton Technology

PT8915 Datasheet Preview

PT8915 Datasheet

USB Speaker Controller

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PT8915
USB Speaker Controller with Class-D Amp.
www.DataSheet4U.com
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+4speaker)
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.
I2C interface for optional external EEPROM to
store vendor specified VID, PID, language ID and
product string information.
Packages: 28 pins SOP
BLOCK DIAGRAM
Tel: 886-66296288Fax: 886-29174598http://www.princeton.com.tw2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan




Princeton Technology

PT8915 Datasheet Preview

PT8915 Datasheet

USB Speaker Controller

No Preview Available !

APPLICATION CIRCUITS
PT8915
www.DataSheet4U.com
V1.1
2 October 2009


Part Number PT8915
Description USB Speaker Controller
Maker Princeton Technology
Total Page 5 Pages
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