WM8215 datasheet(2/31 Pages) WOLFSON

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WM8215

Production Data

PD, Rev 4.3, September 2012

TABLE OF CONTENTS

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

RECOMMENDED OPERATING CONDITIONS..................................................... 5

THERMAL PERFORMANCE................................................................................. 5

ELECTRICAL CHARACTERISTICS ..................................................................... 6

INPUT VIDEO SAMPLING .............................................................................................. 8

SERIAL INTERFACE..................................................................................................... 10

INTERNAL POWER ON RESET CIRCUIT.......................................................... 11

DEVICE DESCRIPTION ...................................................................................... 13

INTRODUCTION ........................................................................................................... 13

INPUT SAMPLING ........................................................................................................ 13

RESET LEVEL CLAMPING (RLC) ................................................................................ 14

CDS/NON-CDS PROCESSING..................................................................................... 16

OFFSET ADJUST AND PROGRAMMABLE GAIN........................................................ 16

ADC INPUT BLACK LEVEL ADJUST ........................................................................... 17

OVERALL SIGNAL FLOW SUMMARY ......................................................................... 18

CALCULATING THE OUTPUT CODE FOR A GIVEN INPUT ...................................... 19

REFERENCES .............................................................................................................. 20

POWER MANAGEMENT .............................................................................................. 20

LINE-BY-LINE OPERATION ......................................................................................... 20

CONTROL INTERFACE................................................................................................ 20

NORMAL OPERATING MODES ................................................................................... 22

DEVICE CONFIGURATION................................................................................. 23

REGISTER MAP............................................................................................................ 23

APPLICATIONS INFORMATION ........................................................................ 28

RECOMMENDED EXTERNAL COMPONENTS ........................................................... 28

RECOMMENDED EXTERNAL COMPONENT VALUES .............................................. 28

PACKAGE DIMENSIONS.................................................................................... 29

IMPORTANT NOTICE ......................................................................................... 30

ADDRESS: .................................................................................................................... 30

REVISION HISTORY ........................................................................................... 31

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