ES9219 Datasheet

February 27, 2020

CONFIDENTIAL ADVANCE INFORMATION 1.0.4

ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA Tel (408) 643-8800 • Fax (408) 643-8801

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Table of Contents

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

Typical Application............................................................................................................................................................................................................... 7

42 CSP Pinout ..................................................................................................................................................................................................................... 8

42 CSP Pin Descriptions ..................................................................................................................................................................................................... 9

Functional Description ....................................................................................................................................................................................................... 10

Sample Rate Notation ................................................................................................................................................................................................... 10

PCM Pin Connections ................................................................................................................................................................................................... 10

DSD Pin Connections.................................................................................................................................................................................................... 10

DoP Pin Connections .................................................................................................................................................................................................... 10

Master Mode ................................................................................................................................................................................................................. 11

Functional Description – Digital Features.......................................................................................................................................................................... 12

Digital Audio Path.......................................................................................................................................................................................................... 12

Soft Mute ....................................................................................................................................................................................................................... 12

Automute ....................................................................................................................................................................................................................... 12

Volume Control.............................................................................................................................................................................................................. 13

Master Trim ................................................................................................................................................................................................................... 13

System Clock XI/MCLK & BCK ..................................................................................................................................................................................... 13

Data Clock..................................................................................................................................................................................................................... 14

Built-in Digital Filters...................................................................................................................................................................................................... 14

Programmable FIR filter ................................................................................................................................................................................................ 14

Standby Mode ............................................................................................................................................................................................................... 15

DVDD Supply ................................................................................................................................................................................................................ 15

OSF Bypass .................................................................................................................................................................................................................. 15

DSD Filter...................................................................................................................................................................................................................... 15

THD Compensation....................................................................................................................................................................................................... 16

CrossTalk Compensation............................................................................................................................................................................................ 16

MQA Rendering............................................................................................................................................................................................................. 16

Functional Description – Analog Features......................................................................................................................................................................... 17

Charge Pump ................................................................................................................................................................................................................ 17

Analog Volume Control ................................................................................................................................................................................................. 17

ES9219 ..................................................................................................................................................................................................................... 17

Compensation Components.......................................................................................................................................................................................... 17

Output Switch ................................................................................................................................................................................................................ 18

LowFi Mode .............................................................................................................................................................................................................. 18

Low Power Bypass Mode ......................................................................................................................................................................................... 18

Analog THD Removal (ATR) ......................................................................................................................................................................................... 18

Voltage mode............................................................................................................................................................................................................ 18

Current mode............................................................................................................................................................................................................ 18