ES9027PRO Datasheet

VERSION 0.4.1

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

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Table of Contents

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

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

List of Tables ....................................................................................................................................................................................................................4

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

ES9027PRO Pinout ..........................................................................................................................................................................................................6

48 QFP/QFN Pin Descriptions..........................................................................................................................................................................................7

Feature List.......................................................................................................................................................................................................................8

Configuration Modes.........................................................................................................................................................................................................8

Software Mode .............................................................................................................................................................................................................8

I2C ............................................................................................................................................................................................................................8

SPI ...........................................................................................................................................................................................................................8

Hardware Mode............................................................................................................................................................................................................9

Design Information...................................................................................................................................................................................................9

Muting ......................................................................................................................................................................................................................9

Hardware Mode Pin Configurations .......................................................................................................................................................................10

Recommended Hardware Mode Setup Sequence ................................................................................................................................................12

Hardware Mode Input Datatypes Compatibility......................................................................................................................................................13

Hardware Mode Features ......................................................................................................................................................................................13

Digital Features...............................................................................................................................................................................................................14

Digital Signal Path ......................................................................................................................................................................................................14

GPIO Configuration ....................................................................................................................................................................................................14

Audio Input Formats ...................................................................................................................................................................................................15

PCM (subset of TDM interface) .............................................................................................................................................................................15

Time-division multiplexing (TDM)...........................................................................................................................................................................16

DSD .......................................................................................................................................................................................................................17

S/PDIF ...................................................................................................................................................................................................................17

Pre-Programmed Digital Filters ..................................................................................................................................................................................18

PCM Filter Properties (48kHz Sampling) ...............................................................................................................................................................18

PCM Filter Latency ................................................................................................................................................................................................20

PCM Filter Frequency Response...........................................................................................................................................................................21

PCM Filter Impulse Response ...............................................................................................................................................................................25

Absolute Maximum Ratings ............................................................................................................................................................................................29

IO Electrical Characteristics............................................................................................................................................................................................29

Recommended Operating Conditions.............................................................................................................................................................................30

Power Consumption ...................................................................................................................................................................................................31

Performance...............................................................................................................................................................................................................33

Timing Requirements......................................................................................................................................................................................................34

I2C Slave Interface Timing..........................................................................................................................................................................................34