AD5338R Просмотр технического описания (PDF) - Analog Devices

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AD5338R

Dual, 10-Bit nanoDAC with 2 ppm/°C Reference, I2C Interface

Analog Devices 

AD5338R

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 Configurations and Function Descriptions ........................... 8

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

Terminology .................................................................................... 15

Theory of Operation ...................................................................... 17

Digital-to-Analog Converter .................................................... 17

Transfer Function ....................................................................... 17

DAC Architecture....................................................................... 17

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

Write and Update Commands.................................................. 18

REVISION HISTORY

5/2017—Rev. 0 to Rev. A

Changes to Features Section............................................................ 1

Change to Table 1 Summary ........................................................... 3

Changes to Table 3............................................................................ 5

Changes to Table 4 Summary.......................................................... 6

Changes to Table 5............................................................................ 7

Changes to VLOGIC Pin Description and RESET Pin Description,

Table 6 ................................................................................................ 8

Changes to Figure 13 to Figure 16................................................ 10

Changes to Figure 17 to Figure 21................................................ 11

Changes to Figure 27...................................................................... 12

Changes to Figure 34...................................................................... 13

Changes to Figure 35...................................................................... 14

Changes to Figure 44...................................................................... 20

Changes to Hardware Reset (RESET) Section, Long-Term

Temperature Drift Section, and Figure 48................................... 23

Changes to Ordering Guide .......................................................... 26

2/2013—Revision 0: Initial Version

Data Sheet

Serial Operation ......................................................................... 19

Write Operation.......................................................................... 19

Read Operation........................................................................... 20

Multiple DAC Readback Sequence .......................................... 20

Power-Down Operation ............................................................ 21

Load DAC (Hardware LDAC Pin) ........................................... 22

LDAC Mask Register ................................................................. 22

Hardware Reset (RESET) .......................................................... 23

Reset Select Pin (RSTSEL) ........................................................ 23

Internal Reference Setup ........................................................... 23

Solder Heat Reflow..................................................................... 23

Long-Term Temperature Drift ................................................. 23

Thermal Hysteresis .................................................................... 24

Applications Information .............................................................. 25

Microprocessor Interfacing....................................................... 25

ADSP-BF531 Interface.............................................................. 25

Layout Guidelines....................................................................... 25

Galvanically Isolated Interface ................................................. 25

Outline Dimensions ....................................................................... 26

Ordering Guide .......................................................................... 26

Rev. A | Page 2 of 27

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