ES9842PRO datasheet(3/167 Pages) ESS

3 / 167 page

VERSION 0.5

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

ES9842 PRO Product Datasheet

Table of Contents

APPLICATIONS....................................................................................................................................................................... 2

Table of Contents .................................................................................................................................................................... 3

List of Figures .......................................................................................................................................................................... 6

List of Tables ........................................................................................................................................................................... 7

Functional Block Diagram........................................................................................................................................................ 8

ES9842QPRO Package .......................................................................................................................................................... 9

40 QFN Pinout ..................................................................................................................................................................... 9

40 QFN Pin List.................................................................................................................................................................. 10

Digital Features...................................................................................................................................................................... 12

Digital Signal Path.............................................................................................................................................................. 12

Distortion Compensation ................................................................................................................................................ 12

Volume Control............................................................................................................................................................... 12

Audio Signal Processor (ASP)........................................................................................................................................ 13

Peak Detection ............................................................................................................................................................... 13

I2S decoder and Programmable Delay........................................................................................................................... 15

TDM Cascade Mode .......................................................................................................................................................... 16

TDM / PCM Parallel Mode ................................................................................................................................................. 17

GPIO.................................................................................................................................................................................. 19

GPIO Audio Data Configurations.................................................................................................................................... 21

Pre-Programmed Digital Filters.......................................................................................................................................... 22

PCM Filter Properties ..................................................................................................................................................... 23

PCM Filter Frequency Response ................................................................................................................................... 25

PCM Filter Impulse Response........................................................................................................................................ 29

64FS Mode..................................................................................................................................................................... 33

Clock Distribution ............................................................................................................................................................... 35

I2S Master Clock Rate Configurations............................................................................................................................ 38

I2S Slave Clock Rate Configurations.............................................................................................................................. 39

TDM Slave Clock Rate Configurations ........................................................................................................................... 40

TDM Master Clock Rate Configurations ......................................................................................................................... 41

DSD Master Clock Rate Configurations ......................................................................................................................... 42

Digital Audio Output Port ....................................................................................................................................................... 43

PCM Pin Connections........................................................................................................................................................ 43

TDM Pin Connections ........................................................................................................................................................ 43

DSD Pin Connections ........................................................................................................................................................ 43

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