ESMT
Features
Compliant with USB Specification v1.1, and USB
2.0 full speed
Support I
2
S input and I
2
S output interface of
master mode
Sampling frequencies(Fs)錛?8kHz
Support recording function
Supports Win Me//2000/XP and MacOS
True plug-and-play application, no driver is
required for basic USB speaker application
Support volume/mute control with external button
Built-in 5V to 3.3V regulator for internal device
operation
12 MHz Crystal Input
32-pin LQFP(Pb free)
AD62551A
USB controller with external Amplifier and Recording function
Description
AD62551A is a USB audio controller with I
2
S
interface and supports recording function. The
device also has an I
2
S input port and I
2
S output port.
The I
2
S output port allows other high performance
audio device (i.e. AD8356A/AD8256A) to be
controlled by AD62551A.
Functional Block Diagram
Elite Semiconductor Memory Technology Inc.
Publication Date: Apr. 2007
Revision: 1.2
1/10
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2
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