ES9826 datasheet(5/88 Pages) ESS

5 / 88 page

ES9826 Datasheet

VERSION 0.1.2

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

List of Figures

Figure 1 - ES9826 Block Diagram ........................................................................................................................................... 7

Figure 2 – Example hardware mode pin configurations......................................................................................................... 11

Figure 3 - Hardware mode startup sequence......................................................................................................................... 14

Figure 4 – THD Compensation Block Diagram...................................................................................................................... 16

Figure 5 – LJ & I2S Input for 16-bit and 32-bit word widths ................................................................................................... 18

Figure 6 – TDM128 mode ..................................................................................................................................................... 19

Figure 7 – TDM256 mode...................................................................................................................................................... 19

Figure 8 – TDM512 mode...................................................................................................................................................... 19

Figure 9 – TDM1024 mode.................................................................................................................................................... 19

Figure 10 – TDM connection of several ES9826 devices in parallel ...................................................................................... 20

Figure 11 - PDM input mode application diagram with stereo PDM microphones. ................................................................ 34

Figure 12 - Functional Block Diagram of ES9826 APLL ........................................................................................................ 36

Figure 13 – I2C Slave Control Interface Timing...................................................................................................................... 41

Figure 14 – I2C single byte examples of read and write instructions with I2C ........................................................................ 41

Figure 15 – SPI single byte write ........................................................................................................................................... 42

Figure 16 – SPI single byte read............................................................................................................................................ 42

Figure 17 – SPI multi-byte read ............................................................................................................................................. 42

Figure 18 – Audio interface timing ......................................................................................................................................... 43

Figure 19 – Hardware (HW) mode reference schematic for ES9826Q .................................................................................. 79

Figure 20 – Software mode reference schematic for ES9826Q............................................................................................. 80

Figure 21 – ES9826Q 28 QFN package dimensions ............................................................................................................. 83

Figure 22 – ES9826Q Marking .............................................................................................................................................. 84

Figure 23 – IR/Convection Reflow Profile (IPC/JEDEC J-STD-020D.1) ................................................................................ 85

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