AD9852ASQZ datasheet(2/52 Pages) AD

2 / 52 page

AD9852

Rev. E | Page 2 of 52

TABLE OF CONTENTS

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

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

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

Revision History ............................................................................... 3

General Description ......................................................................... 4

Overview........................................................................................ 4

Specifications..................................................................................... 5

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

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

Explanation of Test Levels ........................................................... 8

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

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 12

Typical Applications ....................................................................... 16

Modes of Operation ....................................................................... 18

Single Tone (Mode 000)............................................................. 18

Unramped FSK (Mode 001)...................................................... 19

Ramped FSK (Mode 010) .......................................................... 19

Chirp (Mode 011)....................................................................... 22

BPSK (Mode 100) ....................................................................... 26

Using the AD9852 .......................................................................... 27

Internal and External Update Clock ........................................ 27

On/Off Output Shaped Keying (OSK) .................................... 27

Cosine DAC ................................................................................ 29

Control DAC ............................................................................... 29

Inverse Sinc Function ................................................................ 29

REFCLK Multiplier .................................................................... 29

High Speed Comparator............................................................ 30

Power-Down ............................................................................... 30

Programming the AD9852............................................................ 31

MASTER RESET ........................................................................ 31

Parallel I/O Operation ............................................................... 31

Serial Port I/O Operation.......................................................... 31

General Operation of the Serial Interface ................................... 34

Instruction Byte .......................................................................... 34

Serial Interface Port Pin Descriptions ..................................... 35

MSB/LSB Transfers .................................................................... 35

Control Register Descriptions .................................................. 36

Power Dissipation and Thermal Considerations ....................... 38

Thermal Impedance................................................................... 38

Junction Temperature Considerations .................................... 38

Evaluation of Operating Conditions............................................ 40

Thermally Enhanced Package Mounting Guidelines............ 40

Evaluation Board ............................................................................ 41

Evaluation Board Instructions.................................................. 41

General Operating Instructions ............................................... 41

Using the Provided Software .................................................... 43

Support ........................................................................................ 43

Outline Dimensions ....................................................................... 51

Ordering Guide .......................................................................... 52

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