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AD9953ASV Folha de dados(PDF) 3 Page - Analog Devices

Nome de Peças AD9953ASV
Descrição Electrónicos  400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer
PDF  42 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD9953ASV Folha de dados(HTML) 3 Page - Analog Devices

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PRELIMINARY TECHNICAL DATA
AD9953
Frequency Tuning Word 1 (FTW1)
23
RAM Segment Control Words 0,1,2,3 (RSCW0) (RSCW1) (RSCW2), (RSCW3)
23
RAM
23
Modes of Operation
24
Single Tone Mode
24
RAM Controlled Modes of Operation
24
Direct Switch Mode
24
Ramp-Up Mode
25
Bi-directional Ramp Mode
25
Continuous Bi-directional Ramp Mode
26
Continuous Re-circulate Mode
27
RAM Controlled Modes of Operation Summary
28
Internal Profile Control
28
Programming AD9953 Features
30
Phase Offset Control
30
Phase/Amplitude Dithering
30
Shaped On-Off Keying
31
AUTO Shaped On-Off Keying mode operation:
32
OSK Ramp Rate Timer
33
External Shaped On-Off Keying mode operation:
33
Synchronization; Register Updates (I/O UPDATE)
34
Functionality of the SyncClk and I/O UPDATE
34
Figure D- I/O Synchronization Block Diagram
35
Figure E - I/O Synchronization Timing Diagram
35
Synchronizing Multiple AD9953s
36
Using a Single Crystal To Drive Multiple AD9953 Clock Inputs
36
Serial Port Operation
37
Instruction Byte
38
Serial Interface Port Pin Description
39
MSB/LSB Transqfers
39
Example Operation
40
RAM I/O Via Serial Port
40
Notes on Serial Port Operation
41
Power Down Functions of the AD9953
41
REV. PrB 1/30/03
Page 3
Analog Devices, Inc.



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