ES1921 datasheet(4/4 Pages) ETC

4 / 4 page

SAM0353-042100

ES1921 PRODUCT BRIEF

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.

(P) U.S. Patent 4,214,125 and others, other patents

pending.

AudioDrive

® is a registered trademark of ESS Technology,

Inc.

All other trademarks are owned by their respective

holders and are used for identification purposes only.

REV. D BLOCK DIAGRAM

LINE_OUT

LINE_IN

AVDD

AVSS

MIC2

RESET#

XTL_IN

XTL_OUT

REF GEN

VIDEO

DVDD

DVSS

AUX

AFILT[1:0]

PREAMP/MIC BOOST

MIC1

RECORD

SOURCE

PLAYBACK

MIXER

SDATA_IN

BIT_CLK

SYNC

AC-LINK

SDATA_OUT

MONO_OUT

PHONE

PC_BEEP

VREF

VREFOUT

ID[1:0]

LNLVL

MASTER

VOL

CTRL

MASTER

VOL

CTRL

MONO

VOL

CTRL

Left

Right

Left

Right

EAPD

STEREO DAC

18-BIT

FILTER

ADC

18-BIT

FILTER

ADC

18-BIT

STEREO DAC

18-BIT

DAC

ANTI_POP

PCM-out DACs

PCM-in ADCs

POWER MGMT

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