AD9745-EBZ 查看數據表（PDF） - Analog Devices

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AD9745-EBZ

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

Analog Devices 

AD9741/AD9743/AD9745/AD9746/AD9747

TABLE OF CONTENTS

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

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

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

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

Revision History ............................................................................... 2

Specifications..................................................................................... 3

DC Specifications ......................................................................... 3

AC Specifications.......................................................................... 5

Digital and Timing Specifications.............................................. 7

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 14

Terminology .................................................................................... 17

Theory of Operation ...................................................................... 18

Serial Peripheral Interface ......................................................... 18

General Operation of the Serial Interface ............................... 18

REVISION HISTORY

5/07—Revision 0: Initial Version

Instruction Byte .......................................................................... 18

MSB/LSB Transfers .................................................................... 19

Serial Interface Port Pin Descriptions ..................................... 19

SPI Register Map ............................................................................ 20

SPI Register Descriptions .............................................................. 21

Digital Inputs and Outputs ........................................................... 22

Input Data Timing ..................................................................... 22

Dual-Port Mode Timing ........................................................... 22

Single-Port Mode Timing ......................................................... 22

SPI Port, Reset, and Pin Mode.................................................. 22

Driving the DAC Clock Input .................................................. 23

Full-Scale Current Generation ................................................. 23

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

Analog Modes of Operation ..................................................... 24

Auxiliary DACS .......................................................................... 25

Power Dissipation....................................................................... 25

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

Rev. 0 | Page 2 of 28

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