ES9820 datasheet(2/117 Pages) ESS

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CONFIDENTIAL ADVANCE INFORMATION 0.3

ES9820 Product Datasheet

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM

Table of Contents

APPLICATIONS................................................................................................................................................................................................................1

Table of Contents .............................................................................................................................................................................................................2

List of Figures ...................................................................................................................................................................................................................4

List of Tables ....................................................................................................................................................................................................................5

Functional Block Diagram.................................................................................................................................................................................................6

ES9820Q Package ...........................................................................................................................................................................................................7

40 QFN Pinout..............................................................................................................................................................................................................7

40 QFN Pin List ............................................................................................................................................................................................................8

Digital Features.................................................................................................................................................................................................................9

Digital Signal Path ........................................................................................................................................................................................................9

THD Compensation ................................................................................................................................................................................................9

Audio Signal Processor (ASP) ................................................................................................................................................................................9

I2S decoder and Programmable Delay..................................................................................................................................................................10

Clip Detection.........................................................................................................................................................................................................10

Volume Control ......................................................................................................................................................................................................11

GPIO ..........................................................................................................................................................................................................................12

GPIO Audio Data Configurations ...........................................................................................................................................................................13

Pre-Programmed Digital Filters ..................................................................................................................................................................................14

PCM Filter Frequency Response...........................................................................................................................................................................15

PCM Filter Impulse Response ...............................................................................................................................................................................20

Clock Distribution .......................................................................................................................................................................................................23

I2S Master Clock Rate Configurations...................................................................................................................................................................26

I2S Slave Clock Rate Configurations.....................................................................................................................................................................27

TDM Slave Clock Rate Configurations ..................................................................................................................................................................28

TDM Master Clock Rate Configurations ................................................................................................................................................................29

DSD Master Clock Rate Configurations.................................................................................................................................................................30

Digital Audio Output Port ................................................................................................................................................................................................31

PCM Pin Connections ................................................................................................................................................................................................31

TDM Pin Connections ................................................................................................................................................................................................31

DSD Pin Connections.................................................................................................................................................................................................31

S/PDIF Pin Connections.............................................................................................................................................................................................31

Digital Audio Input Port...................................................................................................................................................................................................32

Absolute Maximum Ratings ............................................................................................................................................................................................33

IO Electrical Characteristics............................................................................................................................................................................................33

Recommended Operating Conditions.............................................................................................................................................................................34

Recommended Power up/down Sequences ..............................................................................................................................................................35

Power Consumption ...................................................................................................................................................................................................36

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