CONFIDENTIAL ADVANCE INFORMATION Rev. 0.2aPB

January 17, 2011

ES9023 Product Brief

ESS TECHNOLOGY, INC. 48401 Fremont Blvd., Fremont, CA 94538, USA Tel (510) 492-1088 • Fax (510) 492-1098

2

FUNCTIONAL BLOCK DIAGRAM

APPLICATION DIAGRAM

PCM

Interface

Jitter

Reduction

Oversampling

Filter

Control/Status

Power Supply &

Charge Pump

HyperStream

DAC (2x)

HyperStream

DAC (2x)

BCK

ES9023

2Vrms

Op-Amp

Driver

(2x)

LRCK

SDI

MCLK

AOUTL

AOUTR

VEE

L

Audio

Processor

ES9023

R

Audio Out

(2Vrms)

AVCC

Blu-Ray Player

DVD Player

Home Theater Receiver

PC Pro-Audio Sound Card

No part of this publication may be reproduced, stored in a retrieval system, transmitted, or translated in any form or by any means, electronic,

mechanical, manual, optical, or otherwise, without the prior written permission of ESS Technology, Inc. ESS Technology, Inc. makes no representations

or warranties regarding the content of this document. All specifications are subject to change without prior notice. ESS Technology, Inc. assumes no

responsibility for any errors contained herein. U.S. patents pending.