wm8775 Wolfson Microelectronics plc, wm8775 Datasheet - Page 2

• Manufacturer Part Number: wm8775
• Description: 24-bit, 96khz Adc With 4 Channel I/p Multiplexer
• Manufacturer: Wolfson Microelectronics plc

WM8775
DESCRIPTION ................................................................................................................1
FEATURES......................................................................................................................1
BLOCK DIAGRAM ..........................................................................................................1
PIN CONFIGURATION....................................................................................................3
ORDERING INFORMATION ...........................................................................................3
PIN DESCRIPTION .........................................................................................................4
ABSOLUTE MAXIMUM RATINGS..................................................................................5
RECOMMENDED OPERATING CONDITIONS ..............................................................5
ELECTRICAL CHARACTERISTICS ...............................................................................6
MASTER CLOCK TIMING...............................................................................................7
INTERNAL POWER ON RESET CIRCUIT ...................................................................12
DEVICE DESCRIPTION................................................................................................14
DIGITAL FILTER CHARACTERISTICS ........................................................................35
APPLICATIONS INFORMATION ..................................................................................36
PACKAGE DIMENSIONS .............................................................................................38
IMPORTANT NOTICE ...................................................................................................39
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TERMINOLOGY ......................................................................................................................7
DIGITAL AUDIO INTERFACE – MASTER MODE ...................................................................8
DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................9
3-WIRE MPU INTERFACE TIMING ......................................................................................10
2-WIRE MPU INTERFACE TIMING ......................................................................................10
INTRODUCTION ...................................................................................................................14
AUDIO DATA SAMPLING RATES.........................................................................................14
POWERDOWN MODES .......................................................................................................15
DIGITAL AUDIO INTERFACE ...............................................................................................16
CONTROL INTERFACE OPERATION ..................................................................................20
CONTROL INTERFACE REGISTERS ..................................................................................21
LIMITER / AUTOMATIC LEVEL CONTROL (ALC) ................................................................26
REGISTER MAP ...................................................................................................................31
ADC FILTER RESPONSES...................................................................................................35
ADC HIGH PASS FILTER .....................................................................................................35
EXTERNAL CIRCUIT CONFIGURATION .............................................................................36
RECOMMENDED EXTERNAL COMPONENTS ....................................................................37
ADDRESS: ............................................................................................................................39
TABLE OF CONTENTS
PD, Rev 4.4, October 2008
Production Data
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