LTC2000A datasheet(2/54 Pages) AD

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LTC2000A

2000afb

For more information www.linear.com/LTC2000A

TABLE OF CONTENTS

Features ..................................................... 1

Applications ................................................ 1

Block Diagram.............................................. 1

Description.................................................. 1

Absolute Maximum Ratings.............................. 3

Pin Configuration .......................................... 3

Order Information.......................................... 4

Electrical Characteristics ................................. 5

Timing Characteristics .................................... 8

Typical Performance Characteristics ................... 9

Pin Functions .............................................. 16

Block Diagram............................................. 17

Timing Diagrams ......................................... 18

Operation................................................... 18

Introduction............................................................ 18

Dual-Port Mode ...................................................... 19

Single-Port Mode.................................................... 19

Serial Peripheral Interface (SPI) .............................22

Power-On Reset......................................................22

Power Down ...........................................................22

Reference Operation ...............................................22

Setting the Full-Scale Current.................................23

DAC Transfer Function ............................................ 24

Analog Outputs (IOUTP/N)........................................ 24

DAC Sample Clock (CKP/N) ....................................25

Divided Clock Output (DCKOP/N)............................25

LVDS Data Clock Input (DCKIP/N) ..........................25

LVDS Data Input Ports (DAP/N, DBP/N) .................26

Clock Synchronizer .................................................27

Minimizing Harmonic Distortion .............................29

Measuring LVDS Input Timing Skew.......................29

Measuring Internal Junction Temperature (TJ) .......32

Pattern Generator ...................................................32

SPI Register Summary................................... 33

Applications Information ................................ 34

Sample Start-Up Sequence.....................................34

Output Configurations ...........................................35

Generating the DAC Sample Clock ..........................35

Synchronizing Multiple LTC2000As in Dual-Port

Mode ......................................................................36

Synchronizing Multiple LTC2000As in Single-Port

Mode ......................................................................38

PCB Layout Considerations ....................................40

Pin Locations (LTC2000A-16) ........................... 45

Pin Locations (LTC2000A-14) ........................... 47

Pin Locations (LTC2000A-11) ........................... 49

Package Description ..................................... 51

Typical Application ....................................... 52

Related Parts .............................................. 52

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