AD5694R データシートの表示（PDF） - Analog Devices

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AD5694R

Quad 16-/14-/12-Bit nanoDAC+ with 2 ppm/°C Reference, I2C Interface

Analog Devices 

AD5696R/AD5695R/AD5694R

TABLE OF CONTENTS

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

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

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

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

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

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

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

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

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

Terminology .................................................................................... 16

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

Digital-to-Analog Converter .................................................... 18

Transfer Function ....................................................................... 18

DAC Architecture....................................................................... 18

Serial Interface ............................................................................ 19

Write and Update Commands .................................................. 20

REVISION HISTORY

4/12—Revision 0: Initial Version

Data Sheet

Serial Operation ......................................................................... 21

Write Operation.......................................................................... 21

Read Operation........................................................................... 22

Multiple DAC Readback Sequence .......................................... 22

Power-Down Operation ............................................................ 23

Load DAC (Hardware LDAC Pin) ........................................... 24

LDAC Mask Register ................................................................. 24

Hardware Reset (RESET) .......................................................... 25

Reset Select Pin (RSTSEL) ........................................................ 25

Internal Reference Setup ........................................................... 25

Solder Heat Reflow..................................................................... 25

Long-Term Temperature Drift ................................................. 25

Thermal Hysteresis .................................................................... 26

Applications Information .............................................................. 27

Microprocessor Interfacing....................................................... 27

AD5696R/AD5695R/AD5694R to ADSP-BF531 Interface.. 27

Layout Guidelines....................................................................... 27

Galvanically Isolated Interface ................................................. 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 29

Rev. 0 | Page 2 of 32

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