參數(shù)資料
型號: AD9951YSVZ
廠商: Analog Devices Inc
文件頁數(shù): 6/28頁
文件大?。?/td> 0K
描述: IC DDS DAC 14BIT 1.8V 48-TQFP
產(chǎn)品培訓(xùn)模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標(biāo)準(zhǔn)包裝: 1
分辨率(位): 14 b
主 fclk: 400MHz
調(diào)節(jié)字寬(位): 32 b
電源電壓: 1.71 V ~ 1.96 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFP 裸露焊盤(7x7)
包裝: 托盤
產(chǎn)品目錄頁面: 552 (CN2011-ZH PDF)
AD9951
Rev. A | Page 14 of 28
Table 5. 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
Control
Function
Register
No.1
(CFR1)
(0x00)
<7:0>
Digital
Power-
Down
Not Used
DAC
Power-
Down
Clock Input
Power-
Down
External
Power-
Down
Mode
Not Used
SYNC_CLK
Out
Disable
Not
Used
0x00
<15:8>
Not Used
AutoClr
Phase
Accum
Enable SINE
Output
Not Used
Clear
Phase
Accum.
SDIO
Input
Only
LSB First
0x00
<23:16>
Automatic
Sync
Enable
Software
Manual
Sync
Not Used
0x00
<31:24>
Not Used
Load ARR
@ I/O UD
OSK
Enable
Auto
OSK
Keying
0x00
Control
Function
Register No.
2 (CFR2)
(0x01)
<7:0>
REFCLK Multiplier
0x00 or 0x01, or 0x02 or 0x03: Bypass Multiplier
0x04 to 0x14: 4× to 20× Multiplication
VCO
Range
Charge Pump Current
<1:0>
0x00
<15:8>
Not Used
High
Speed
Sync
Enable
Hardware
Manual
Sync
Enable
CRYSTAL
OUT Pin
Active
Not
Used
0x00
<23:16>
Not Used
0x18
Amplitude
Scale Factor
(ASF)
(0x02)
<7:0>
Amplitude Scale Factor Register <7:0>
0x00
<15:8>
Auto Ramp Rate Speed
Control <1:0>
Amplitude Scale Factor Register <13:8>
0x00
Amplitude
Ramp Rate
(ARR)
(0x03)
<7:0>
Amplitude Ramp Rate Register <7:0>
0x00
Frequency
Tuning
Word
(FTW0)
(0x04)
<7:0>
Frequency Tuning Word No. 0 <7:0>
0x00
<15:8>
Frequency Tuning Word No. 0 <15:8>
0x00
<23:16>
Frequency Tuning Word No. 0 <23:16>
0x00
<31:24>
Frequency Tuning Word No. 0 <31:24>
0x00
Phase
Offset Word
(POW0)
(0x05)
<7:0>
Phase Offset Word No. 0 <7:0>
0x00
<15:8>
Not Used<1:0>
Phase Offset Word No. 0 <13:8>
0x00
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