WM8608 ETC-unknow, WM8608 Datasheet - Page 2

• Manufacturer Part Number: WM8608
• Description: The Wm8608 Comprises A High Performance Multi-channel Pwm Digital Power Amplifier Controller. Simply By Adding Appropriate Power Output Stages A Multi-channel Power Amplifier May Be Built. Six Identical Full Audio Bandwidth Channels, Plus A Reduced B
• Manufacturer: ETC-unknow

WM8608
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................4
ORDERING INFORMATION ..................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
TERMINOLOGY .....................................................................................................8
POWER CONSUMPTION ......................................................................................8
SIGNAL TIMING REQUIREMENTS .......................................................................9
DEVICE DESCRIPTION.......................................................................................15
REGISTER MAP...................................................................................................47
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POWER SUPPLY.......................................................................................................... 9
MASTER CLOCK TIMING ............................................................................................. 9
AUDIO INTERFACE TIMING – MASTER MODE ........................................................ 10
AUDIO INTERFACE TIMING – SLAVE MODE............................................................ 11
CONTROL INTERFACE TIMING – 3-WIRE MODE .................................................... 12
CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 13
PWM OUTPUT TIMING .............................................................................................. 14
INTRODUCTION ......................................................................................................... 15
SIGNAL PATH............................................................................................................. 15
DIGITAL AUDIO INTERFACE ..................................................................................... 16
AUDIO INTERFACE CONTROL.................................................................................. 20
MASTER CLOCK AND AUDIO SAMPLE RATES........................................................ 21
SYNCHRONISER........................................................................................................ 24
CONTROL INTERFACE OPERATION ........................................................................ 25
INPUT PROCESSOR .................................................................................................. 26
BASS MANAGEMENT................................................................................................. 29
GRAPHIC EQUALISER............................................................................................... 31
DIGITAL DEEMPHASIS .............................................................................................. 33
DIGITAL VOLUME CONTROL .................................................................................... 33
SOFT MUTE AND AUTO-MUTE ................................................................................. 36
DYNAMIC PEAK COMPRESSOR ............................................................................... 37
INTERPOLATION FILTERS ........................................................................................ 41
PCM TO PWM CONVERTER ..................................................................................... 42
STANDBY, OUTPUT DISABLE AND RESET MODES ................................................ 45
EXTERNAL POWER SUPPLY CLOCK ....................................................................... 46
FILTER RESPONSES ................................................................................................. 48
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................... 49
TABLE OF CONTENTS
PP Rev 1.5 March 2004
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