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參數(shù)資料
| 型號： | AD9953ASV |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字信號處理外設 |
| 英文描述： | 400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer |
| 中文描述： | DSP-NUM CONTROLLED OSCILLATOR, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 20/42頁 |
| 文件大?。?/td> | 473K |
| 代理商： | AD9953ASV |
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PRELIMINARY TECHNICAL DATA
When CFR1<9> = 1, the serial data I/O pin (SDIO) is configured as an input only pin
(3-wire serial programming mode).
CFR1<8>:
LSB First.
When CFR1<8> = 0 (
default
), MSB first format is active.
When CFR1<8> = 1, the serial interface accepts serial data in LSB first format.
CFR1<7>:
Digital Power Down bit.
When CFR1<7> = 0 (
default
), all digital functions and clocks are active.
When CFR1<7> = 1, all non-IO digital functionality is suspended and all heavily
loaded clocks are stopped. This bit is intended to lower the digital power to nearly
zero, without shutting down the PLL clock multiplier function or the DAC.
CFR1<5>:
DAC Power Down bit.
When CFR1<5> = 0 (
default
), the DAC is enabled for operation.
When CFR1<5> = 1, the DAC is disabled and is in its lowest power dissipation state.
CFR1<4>:
Clock Input Power Down bit.
When CFR1<4> = 0 (
default
), the clock input circuitry is enabled for operation.
When CFR1<4> = 1, the clock input circuitry is disabled and the device is in its
lowest power dissipation state.
CFR1<3>:
External Power Down Mode.
When CFR1<3> = 0
(default)
the external power down mode selected is the “fast
recovery power down” mode. In this mode, when the PwrDwnCtl input pin is high,
the digital logic and the DAC digital logic are powered down. The DAC bias
circuitry, comparator, PLL, oscillator, and clock input circuitry is NOT powered
down.
When CFR1<3> = 1, the external power down mode selected is the “full power
down” mode. In this mode, when the PwrDwnCtl input pin is high, all functions are
powered down. This includes the DAC and PLL, which take a significant amount of
time to power up.
AD9953
REV. PrB 1/30/03
Page 20
Analog Devices, Inc.
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| AD9954YSV | 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9953PCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MSPS 14-Bit, 1.8V CMOS Direct Digital Synthesizer |
| AD9953YSV | 制造商:Analog Devices 功能描述:Direct Digital Synthesizer 400MHz 1-DAC 14-Bit Serial 48-Pin TQFP EP 制造商:Rochester Electronics LLC 功能描述:AD9953 400 MSPS DDS W/ 14 BIT DAC - Bulk 制造商:Analog Devices 功能描述:IC DDS 400MSPS SMD 9953 TQFP48 |
| AD9953YSV-REEL7 | 制造商:Analog Devices 功能描述:Direct Digital Synthesizer 400MHz 1-DAC 14-Bit Serial 48-Pin TQFP EP T/R |
| AD9953YSVZ | 功能描述:IC DDS DAC 14BIT 400MSPS 48-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)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(diào)節(jié)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) |
| AD9953YSVZ-REEL7 | 功能描述:IC DDS DAC 14BIT 1.8V 48TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)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(diào)節(jié)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) |
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