[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
- 2 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
