PT8913 Datasheet, PDF (1/4 Pages) Princeton Technology Corp – USB Speaker Controller with Class D Amp.

PT8913
USB Speaker Controller with Class D Amp.
DESCRIPTION
The PT8913 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 PT8913 is
a truly plug and play USB audio device.
FEATURES
• Compliant with USB2.0 full speed specification.
• Compliant with USB Audio class specification.
• 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)
• Packages: 24 pins SOP
APPLICATION
• USB Speaker
BLOCK DIAGRAM
Tel: [phone]‧Fax: [phone]‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan