WM8776SEFT/V Wolfson Microelectronics, WM8776SEFT/V Datasheet - Page 2

• Manufacturer Part Number: WM8776SEFT/V
• Description: Audio CODECs Stereo CODEC with 5-Ch Mux
• Manufacturer: Wolfson Microelectronics

Specifications of WM8776SEFT/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-48
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8776
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
MASTER CLOCK TIMING......................................................................................9
INTERNAL POWER ON RESET CIRCUIT ..........................................................14
DEVICE DESCRIPTION.......................................................................................16
DIGITAL FILTER CHARACTERISTICS ...............................................................49
APPLICATIONS INFORMATION .........................................................................53
RECOMMENDED EXTERNAL COMPONENTS ..................................................54
PACKAGE DIMENSIONS ....................................................................................56
PACKAGE DIMENSIONS ....................................................................................56
IMPORTANT NOTICE ..........................................................................................57
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TERMINOLOGY ............................................................................................................ 7
DIGITAL AUDIO INTERFACE – MASTER MODE ....................................................... 10
DIGITAL AUDIO INTERFACE – SLAVE MODE .......................................................... 11
3-WIRE MPU INTERFACE TIMING ............................................................................ 12
CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 13
INTRODUCTION ......................................................................................................... 16
AUDIO DATA SAMPLING RATES............................................................................... 17
ZERO DETECT ........................................................................................................... 18
POWERDOWN MODES ............................................................................................. 18
DIGITAL AUDIO INTERFACE ..................................................................................... 19
CONTROL INTERFACE OPERATION ........................................................................ 23
CONTROL INTERFACE REGISTERS ........................................................................ 25
LIMITER / AUTOMATIC LEVEL CONTROL (ALC) ...................................................... 34
REGISTER MAP ......................................................................................................... 41
DAC FILTER RESPONSES......................................................................................... 49
ADC FILTER RESPONSES......................................................................................... 50
ADC HIGH PASS FILTER ........................................................................................... 51
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................... 52
EXTERNAL CIRCUIT CONFIGURATION ................................................................... 53
ADDRESS: .................................................................................................................. 57
TABLE OF CONTENTS
PD, Rev 4.1, September 2008
Production Data
2