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參數資料
型號: AD9910_07
廠商: Analog Devices, Inc.
元件分類: XO, clock
英文描述: 1 GSPS, 14-Bit, 3.3 V CMOS Direct Digital Synthesizer
中文描述: 1 GSPS的,14位,3.3伏的CMOS直接數字頻率合成
文件頁數: 39/60頁
文件大小: 764K
代理商: AD9910_07
AD9910
Rev. 0 | Page 39 of 60
WAVEFORM START ADDRESS
WAVEFORM END ADDRESS
1
Δ
t
Δ
t
RAM ADRESS
RAM_SWP_OVER
I/O_UPDATE
M DDS CLOCK CYCLES
1
2
3
0
Figure 47. Continuous Bidirectional Ramp Timing Diagram
A change in state of the profile pins aborts the current waveform
and the newly selected RAM profile is used to initiate a new
waveform.
The RAM_SWP_OVR pin switches to Logic 1 when the state
machine reaches the waveform end address, then returns to
Logic 0 at the waveform start address, toggling each time one
of these addresses is reached.
A graphic representation of the continuous bidirectional ramp
mode is shown in Figure 47. The circled numbers indicate specific
events as follows:
Event 1—An I/O update or profile change has activated the RAM
continuous bidirectional ramp mode. The state machine initializes
to the waveform start address. The RAM_SWP_OVR pin resets to
Logic 0. The state machine begins incrementing through the
specified address range.
Event 2—The state machine reaches the waveform end address.
The RAM_SWP_OVR pin toggles to Logic 1.
Event 3—The state machine reaches the waveform start address.
The RAM_SWP_OVR pin toggles to Logic 0.
This action continues indefinitely until the next I/O update or
change in profile.
相關PDF資料
PDF描述
AD9910BSVZ 1 GSPS, 14-Bit, 3.3 V CMOS Direct Digital Synthesizer
AD9910BSVZ-REEL 1 GSPS, 14-Bit, 3.3 V CMOS Direct Digital Synthesizer
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AD9913 Low Power 250 MSPS 10-Bit DAC 1.8 V CMOS Direct Digital Synthesizer
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相關代理商/技術參數
參數描述
AD9910BSVZ 功能描述:IC DDS 1GSPS 14BIT PAR 100TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數字合成 (DDS) 系列:- 產品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 調節字寬(位):32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR)
AD9910BSVZ 制造商:Analog Devices 功能描述:IC DDS 1GHZ TQFP-100 制造商:Analog Devices 功能描述:IC, DDS, 1GHZ, TQFP-100
AD9910BSVZ-REEL 功能描述:IC DDS 1GSPS 14BIT PAR 100TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數字合成 (DDS) 系列:- 產品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 調節字寬(位):32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR)
AD9911 制造商:AD 制造商全稱:Analog Devices 功能描述:500 MSPS Direct Digital Synthesizer with 10-Bit DAC
AD9911/PCB 制造商:Analog Devices 功能描述:500 MSPS DIRECT DGTL SYNTHESIZER W/ 10-BIT DAC AD9911/PCB - Bulk
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