[AK4127]

TABLE OF CONTENTS

GENERAL DESCRIPTION............................................................................................................................................... 1

FEATURES........................................................................................................................................................................ 1

■ Ordering Guide ........................................................................................................................................................... 3

Pin Layout ..................................................................................................................................................................... 3

■ Compatibility with AK4125........................................................................................................................................ 4

PIN/FUNCTION ................................................................................................................................................................ 5

■ Handling of Unused pins............................................................................................................................................. 6

ABSOLUTE MAXIMUM RATINGS ............................................................................................................................... 6

RECOMMENDED OPERATING CONDITIONS............................................................................................................ 6

SRC CHARACTERISTICS ............................................................................................................................................... 7

FILTER CHARACTERISTICS ......................................................................................................................................... 8

DC CHARACTERISTICS ................................................................................................................................................. 9

SWITCHING CHARACTERISTICS ................................................................................................................................ 9

■ Timing Diagram ........................................................................................................................................................ 11

OPERATION OVERVIEW ............................................................................................................................................. 13

■ System Clock & Audio Interface Format for Input PORT........................................................................................ 13

■ System Clock & Audio Interface Format for Output PORT..................................................................................... 15

■ Cascade TDM Mode ................................................................................................................................................. 18

■ Soft Mute Operation.................................................................................................................................................. 19

■ Dither ........................................................................................................................................................................ 20

■ System Reset ............................................................................................................................................................. 20

■ Internal Reset Function for Clock Change................................................................................................................ 21

■ Sequence of Changing Clocks .................................................................................................................................. 21

■ UNLOCK pin............................................................................................................................................................ 21

■ PLL Loop Filter......................................................................................................................................................... 22

SYSTEM DESIGN........................................................................................................................................................... 23

PACKAGE ....................................................................................................................................................................... 27

■ Material & Lead finish .............................................................................................................................................. 27

MARKING ....................................................................................................................................................................... 28

REVISION HISTORY ..................................................................................................................................................... 28

IMPORTANT NOTICE ................................................................................................................................................... 29

MS0593-E-01

2007/07

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