AD9837 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9837

Low Power, 8.5 mW, 2.3 V to 5.5 V, Programmable Waveform Generator

Analog Devices 

AD9837

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Characteristics ................................................................ 4

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 7

Test Circuit ........................................................................................ 9

Terminology .................................................................................... 10

Theory of Operation ...................................................................... 11

Circuit Description......................................................................... 12

Numerically Controlled Oscillator Plus Phase Modulator ... 12

SIN ROM ..................................................................................... 12

Digital-to-Analog Converter (DAC) ....................................... 12

Regulator...................................................................................... 12

REVISION HISTORY

4/11—Revision 0: Initial Version

Functional Description.................................................................. 13

Serial Interface ............................................................................ 13

Latency Period ............................................................................ 13

Control Register ......................................................................... 13

Frequency and Phase Registers ................................................ 15

Reset Function ............................................................................ 16

Sleep Function ............................................................................ 16

VOUT Pin ................................................................................... 16

Powering Up the AD9837 ......................................................... 16

Applications Information .............................................................. 19

Grounding and Layout .............................................................. 19

Interfacing to Microprocessors................................................. 19

Evaluation Board ............................................................................ 21

System Demonstration Platform.............................................. 21

AD9837 to SPORT Interface..................................................... 21

Evaluation Kit ............................................................................. 21

Crystal Oscillator vs. External Clock....................................... 21

Power Supply............................................................................... 21

Evaluation Board Schematics ................................................... 22

Evaluation Board Layout ........................................................... 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

Rev. 0 | Page 2 of 28

Share Link: