AD9852_15 Datasheet, PDF (2/52 Pages) Analog Devices – CMOS 300 MSPS Complete DDS

AD9852
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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