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Princeton Technology

PT8914 Datasheet Preview

PT8914 Datasheet

USB Speaker Controller

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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.
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
APPLICATION
USB Speaker
BLOCK DIAGRAM
Tel: 886-66296288Fax: 886-29174598http://www.princeton.com.tw2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan




Princeton Technology

PT8914 Datasheet Preview

PT8914 Datasheet

USB Speaker Controller

No Preview Available !

APPLICATION CIRCUIT
PT8914
www.DataSheet4U.com
V1.1
2 October 2009


Part Number PT8914
Description USB Speaker Controller
Maker Princeton Technology
Total Page 4 Pages
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