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參數資料
| 型號： | AD9913BCPZ-REEL71 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | XO, clock |
| 英文描述： | Low Power 250 MSPS 10-Bit DAC 1.8 V CMOS Direct Digital Synthesizer |
| 中文描述： | 低功耗250 MSPS的10位DAC 1.8伏CMOS直接數字頻率合成器 |
| 文件頁數： | 21/32頁 |
| 文件大小： | 473K |
| 代理商： | AD9913BCPZ-REEL71 |
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AD9913
POWER-DOWN FEATURES
The AD9913 supports an externally controlled power-down
feature as well as software programmable power-down bits
consistent with other Analog Devices, Inc. DDS products.
The external PWR_DWN_CTL pin determines the power-
down scheme. A low on this pin allows the user to power down
DAC, PLL, input clock circuitry, and the digital section of the
chip individually via the unique control bits, CFR1 [6:4]. In this
mode, CFR1 [7] is inactive.
When the PWR_DWN_CTL is set, CFR1 [6:4] lose their
meaning. At the same time, the AD9913 provides two different
power-down modes based on the value of CFR1 [7]: a fast
recovery power-down mode in which only the digital logic and
the DAC digital logic are powered down, and a full power-down
mode in which all functions are powered down. A significant
amount of time is required to recover from power-down mode.
Table 11 indicates the logic level for each power-down bit that
drives out of the AD9913 core logic to the analog section and
the digital clock generation section of the chip for the external
power-down operation.
Rev. 0 | Page 21 of 32
Table 8. Power-Down Controls
Control
PWR_DWN_CTL = 0
CFR1 [7] = don’t
care
Mode Active
Software
Control
Description
Digital power-down = CFR1 [6]
DAC power-down = CFR1 [5]
Input clock power-down =
CFR1 [4]
N/A
PWRDWNCTL = 1
CFR1 [7] = 0
External
Control,
Fast recovery
power-down
mode
External
Control,
Full power-
down mode
PWRDWNCTL = 1
CFR1 [7] = 1
N/A
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9914 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.5 GSPS Direct Digital Synthesizer with 12-Bit DAC |
| AD9914/PCBZ | 功能描述:數據轉換 IC 開發工具 3.5 GSPS DDS w/Upconverter eval bd. RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| AD9914BCPZ | 功能描述:數據轉換 IC - 多種 3.5 GSPS DDS w/Upconverter RoHS:否 制造商:Texas Instruments 轉換器數量:1 分辨率:8 bit 工作電源電壓:2.7 V to 5.5 V 功耗: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Reel |
| AD9914BCPZ-REEL7 | 功能描述:數據轉換 IC - 多種 3.5 GSPS DDS w/Upconverter RoHS:否 制造商:Texas Instruments 轉換器數量:1 分辨率:8 bit 工作電源電壓:2.7 V to 5.5 V 功耗: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Reel |
| AD9914PCBZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.5 GSPS Direct Digital Synthesizer with 12-Bit DAC |
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