ES9218PC datasheet(2/101 Pages) ESS

2 / 101 page

ES9218P Datasheet

December 6, 2018

CONFIDENTIAL ADVANCE INFORMATION 1.8

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

Table of Contents

Functional Block Diagram.................................................................................................................................................................................................... 5

Typical Mobile Application ................................................................................................................................................................................................... 6

41 CSP Pinout ..................................................................................................................................................................................................................... 7

41 CSP Pin Descriptions ..................................................................................................................................................................................................... 8

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

40 Pin QFN Pin Descriptions ............................................................................................................................................................................................. 10

Functional Description ....................................................................................................................................................................................................... 11

Sample Rate Notation ................................................................................................................................................................................................... 11

PCM Pin Connections ................................................................................................................................................................................................... 11

DSD Pin Connections.................................................................................................................................................................................................... 11

DoP Pin Connections .................................................................................................................................................................................................... 11

Master Mode ................................................................................................................................................................................................................. 12

Functional Description – Digital Features.......................................................................................................................................................................... 13

Digital Audio Path.......................................................................................................................................................................................................... 13

Soft Mute ....................................................................................................................................................................................................................... 13

Automute ....................................................................................................................................................................................................................... 13

Volume Control.............................................................................................................................................................................................................. 14

Master Trim ................................................................................................................................................................................................................... 14

System Clock XI(MCLK)................................................................................................................................................................................................ 14

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

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

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

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

Programmable FIR filter ................................................................................................................................................................................................ 16

OSF Bypass .................................................................................................................................................................................................................. 16

DSD Filter...................................................................................................................................................................................................................... 16

THD Compensation....................................................................................................................................................................................................... 17

Functional Description – Amplifier and Switch................................................................................................................................................................... 18

Charge Pump ................................................................................................................................................................................................................ 18

Analog Volume Control ................................................................................................................................................................................................. 18

ES9218P................................................................................................................................................................................................................... 18

Compensation Components.......................................................................................................................................................................................... 18

Output Switch ................................................................................................................................................................................................................ 19

LowFi Mode .............................................................................................................................................................................................................. 19

Low Power Bypass Mode ......................................................................................................................................................................................... 19

Overcurrent Protection .................................................................................................................................................................................................. 20

Absolute Maximum Ratings ............................................................................................................................................................................................... 21

Recommended Operating Conditions................................................................................................................................................................................ 22

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