CJC8988
www.csc-ic.com 4 1/31/2013 V5.0
TABLE OF CONTENTS
DESCRIPTION ............................................................................................................................................... 2
FEATURES ..................................................................................................................................................... 2
APPLICATIONS .............................................................................................................................................. 2
BLOCK DIAGRAM ......................................................................................................................................... 3
TABLE OF CONTENTS ................................................................................................................................ 4
PIN CONFIGURATION AND DEVICE MARKING ..................................................................................... 6
PIN DESCRIPTION ....................................................................................................................................... 7
ABSOLUTE MAXIMUM RATINGS .............................................................................................................. 8
RECOMMENDED OPERATION CONDITIONS ........................................................................................ 8
ELECTRICAL CHARACTERISTICS ........................................................................................................... 9
POWER CONSUMPTION .......................................................................................................................... 12
SIGNAL TIMING REQUIREMENTS .......................................................................................................... 13
SYSTEM CLOCK TIMING ................................................................................................................... 13
AUDIO INTERFACE TIMING – MASTER MODE ............................................................................. 14
AUDIO INTERFACE TIMING – SLAVE MODE ................................................................................. 15
CONTROL INTERFACE TIMING – 3-WIRE MODE .......................................................................... 16
CONTROL INTERFACE TIMING – 2-WIRE MODE .......................................................................... 17
INTERNAL POWER ON RESET CIRCUIT .............................................................................................. 18
DEVICE DESCRIPTION ............................................................................................................................. 20
INTRODUCTION .................................................................................................................................. 20
INPUT SIGNAL PATH ........................................................................................................................... 21
SIGNAL INPUTS ................................................................................................................................... 21
DC MEASUREMENT ........................................................................................................................... 21
MONO MIXING .................................................................................................................................... 23
PGA CONTROL ..................................................................................................................................... 23
ANALOGUE TO DIGITAL CONVERTER (ADC) ............................................................................... 25
ADC DIGITAL FILTER ......................................................................................................................... 25
DIGITAL ADC VOLUME CONTROL .................................................................................................. 26
AUTOMATIC LEVEL CONTROL (ALC) ............................................................................................ 27
PEAK LIMITER ..................................................................................................................................... 30
NOISE GATE ......................................................................................................................................... 31
3D STEREO ENHANCEMENT ............................................................................................................ 32
OUTPUT SIGNAL PATH ....................................................................................................................... 33
DIGITAL DAC VOLUME CONTROL.................................................................................................. 33
GRAPHIC EQUALISER ........................................................................................................................ 34
DIGITAL TO ANALOGUE CONVERTER (DAC) ............................................................................... 36
OUTPUT MIXERS ................................................................................................................................. 37
ANALOGUE OUTPUTS ....................................................................................................................... 39
LOUT1/ROUT1 COMMON GROUND FEEDBACK (HPCOM) ......................................................... 41
LOUT2/ROUT2 OUTPUTS ................................................................................................................... 41
LOUT2/ROUT2 COMMON GROUND FEEDBACK (LCOM) ........................................................... 42
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