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AD9953ASV датащи(PDF) 14 Page - Analog Devices

номер детали AD9953ASV
подробное описание детали  400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer
PDF  42 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD9953ASV датащи(HTML) 14 Page - Analog Devices

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PRELIMINARY TECHNICAL DATA
AD9953
AD9953 Register Map
Register
Name
(Serial
address)
Bit
Range
(MSB)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
(LSB)
Bit 0
Default
Value
OR
Profile
<7:0>
Digital
Power
Down
Not Used
DAC
Power
Down
Clock Input
Power Dwn
External
Power
Down
Mode
Not Used
Sync
CLK
Out
Disable
Not Used
00h
<15:8>
Not Used
AutoClr
Freq.
Accum
AutoClr
Phase
Accum
Enable
SINE
Output
Clear
Freq
Accum.
Clear
Phase
Accum.
SDIO
Input
Only
LSB
First
00h
<23:16>
Automatic
Sync
Enable
Software
Manual
Sync
Not Used
Amplitude
Dither
Enable
Phase
Dither
En<3>
Phase
Dither
En<2>
Phase
Dither
En<1>
Phase
Dither
En<0>
00h
Control
Function
Register #1
(CFR1)
(00h)
<31:24>
RAM
Enable
RAM Dest.
Is Phase
Word
Internal Profile Control <2:0>
Load
ARR
@I/O UD
OSK
Enable
Auto
OSK
Keying
00h
<7:0>
REFCLK Multiplier
00h or 01h or 02h or 03h: Bypass Multiplier
04h –14h: 4x – 20x multiplication
VCO Gain
Charge Pump
Control <1:0>
00h
<15:8>
not used
High
Speed
Sync
Enable
Hardware
Manual
Sync
Enable
Crystal
Out Pin
Active
DAC
Prime
Data
Disable
00h
Control
Function
Register #2
(CFR2)
(01h)
<23:16>
not used
00h
<7:0>
Amplitude Scale Factor Register <7:0>
00h
Amplitude
Scale
Factor
(ASF)
(02h)
<15:8>
Auto Ramp Rate Speed
Control <1:0>
Amplitude Scale Factor Register <13:8>
00h
Amplitude
Ramp Rate
(ARR)
(03h)
<7:0>
Amplitude Ramp Rate Register <7:0>
00h
<7:0>
Frequency Tuning Word #0 <7:0>
00h
<15:8>
Frequency Tuning Word #0 <15:8>
00h
<23:16>
Frequency Tuning Word #0 <23:16>
00h
Frequency
Tuning
Word
(FTW0)
(04h)
<31:24>
Frequency Tuning Word #0 <31:24>
00h
<7:0>
Phase Offset Word #0 <7:0>
00h
Phase
Offset
Word
(POW0)
(05h)
<15:8>
Not used<1:0>
Phase Offset Word #0 <13:8>
00h
REV. PrB 1/30/03
Page 14
Analog Devices, Inc.



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