July 6, 2020

CONFIDENTIAL INFORMATION v3.6

57

ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA. Tel (408) 643-

8800 • Fax (408) 643-8801

ORDERING INFORMATION

Part Number

Description

Package

ES9028PRO

SABRE PRO 32-Bit Hyperstream® II 8-Channel Audio DAC

64-eTQFP

Revision History

Rev.

Date

Notes

0.1

December 22, 2015

Initial release

1.0

April 21, 2016

Revision 1.0 release

1.1

April 26, 2016

Added description of DSD over PCM (DoP) support.

2.0

July 7, 2016

Revision 2.0 release

2.02

July 18, 2016

Update power consumption table

2.1

August 22, 2016

Correct register #6[6] to deemph_bypass

Add notes that multi-byte registers use little-endian ordering

2.5

October 13, 2016

Updated Register #54[7]

Updated Asychronous Mode to 128Fs

2.6

November 22, 2016

Updated Chip ID

2.7

March 8, 2017

Updated Register #63 [3:2]

2.8

April 21, 2017

Fixed typo for note under Register #63

2.9

August 25, 2017

Updated front page removed

“mobile” in the Benefits

3.0

November 28, 2017

Removed ESS logo from pin diagram

3.1

December 1, 2017

Renumber SPDIF inputs in pin description to match table on page 6

3.2

March 14, 2018

Add note for VDD_L, VDD_R and DVDD internal connection

3.3

March 29, 2018

Added notes for FIR and IIR filter usage to Register 7 description.

Added additional description to IIR filter response section.

3.4

May 2, 2018

Corrected example code used to load custom filter.

3.5

March 5, 2019

Updated SABRE®, Hyperstream®II, SABRE SOUND®.

Updated Register #63 [3:2]

3.6

July 6, 2020

Corrected Xin pin layout

ESS IC's are not intended, authorized, or warranted for use as components in military applications, medical devices or life support systems. ESS

assumes no liability whatsoever and disclaims any expressed, implied or statutory warranty for use of ESS IC's in such unsuitable applications.

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.