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參數資料
| 型號： | AD9954YSV |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字信號處理外設 |
| 英文描述： | 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer |
| 中文描述： | DSP-NUM CONTROLLED OSCILLATOR, PQFP48 |
| 封裝： | EXPOSED PAD, PLASTIC, MS-026-ABC, TQFP-48 |
| 文件頁數： | 1/36頁 |
| 文件大小： | 1027K |
| 代理商： | AD9954YSV |
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400 MSPS 14-Bit, 1.8 V CMOS
Direct Digital Synthesizer
AD9954
FEATURES
Rev.
0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
Tel: 781.329.4700Fax: 781.326.8703
www.analog.com400 MSPS internal clock speed
Integrated 14-bit DAC
Programmable phase/amplitude dithering
32-bit tuning word
Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)
Excellent dynamic performance
>80 dB SFDR @ 160 MHz (±100 kHz offset) A
OUT
Serial I/O control
Ultrahigh speed analog comparator
Automatic linear and nonlinear frequency sweeping
capability
4 frequency/phase offset profiles
1.8 V power supply
Software and hardware controlled power-down
48-lead TQFP/EP package
Integrated 1024 word × 32-bit RAM
Support for 5 V input levels on most digital inputs
PLL REFCLK multiplier (4× to 20×)
Internal oscillator, can be driven by a single crystal
Phase modulation capability
Multichip synchronization
APPLICATIONS
Agile LO frequency synthesis
Programmable clock generator
FM chirp source for radar and scanning systems
Automotive radar
Test and measurement equipment
Acousto-optic device drivers
FUNCTIONAL BLOCK DIAGRAM
FREQUENCY
ACCUMULATOR
STATIC RAM
1024
×
32
COS(X)
CONTROL REGISTERS
OSCILLATOR/BUFFER
COMPARATOR
SYNC
ENABLE
I/O UPDATE
DAC_R
SET
DDS CORE
PHASE
OFFSET
PHASE
ACCUMULATOR
Z
–1
Z
–1
IOUT
IOUT
OSK
PWRDWNCTL
COMP_OUT
COMP_IN
COMP_IN
REFCLK
REFCLK
CRYSTAL OUT
I/O PORT
PS<1:0>
RAM DATA
<31:18>
DDS
CLOCK
RAM
DATA
D
F
T
R
D
D
P
A
R
DAC
MUX
SYSTEM
CLOCK
SYSTEM
CLOCK
SYNC_IN
SYNC_CLK
RESET
TIMING AND CONTROL LOGIC
4
×
–20
×
CLOCK
MULTIPLIER
÷ 4
AD9954
32
32
32
14
14
14
32
R
10
R
3
19
14
0
32
32
M
U
X
M
U
X
M
U
X
0
θ
Figure 1. 48-LeadTQFP/EP
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9954YSV-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9954YSVZ | 功能描述:IC DDS DAC 14BIT 1.8V 48-TQFP 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) |
| AD9954YSVZ | 制造商:Analog Devices 功能描述:IC DDS 400MSPS SMD 9954 TQFP48 |
| AD9954YSVZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MSPS, 14-Bit, 1.8 V CMOS, Direct Digital Synthesizer |
| AD9954YSVZ-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) |
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