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AD5932YRUZ-REEL7 PDF预览

AD5932YRUZ-REEL7

更新时间: 2024-11-07 04:04:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
28页 470K
描述
Programmable Frequency Scan Waveform Generator

AD5932YRUZ-REEL7 数据手册

 浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第2页浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第3页浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第4页浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第5页浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第6页浏览型号AD5932YRUZ-REEL7的Datasheet PDF文件第7页 
Programmable Frequency Scan  
Waveform Generator  
AD5932  
FEATURES  
GENERAL DESCRIPTION  
Programmable frequency profile  
No external components necessary  
Output frequency up to 25 MHz  
Burst-and-listen capability  
Preprogrammable frequency profile minimizes number of  
DSP/microcontroller writes  
Sinusoidal/triangular/square wave outputs  
Automatic or single pin control of frequency stepping  
Power-down mode: 20 μA  
The AD59321 is a waveform generator offering a programmable  
frequency scan. Utilizing embedded digital processing that  
allows enhanced frequency control, the device generates  
synthesized analog or digital frequency-stepped waveforms.  
Because frequency profiles are preprogrammed, continuous  
write cycles are eliminated, thereby freeing up valuable  
DSP/microcontroller resources. Waveforms start from a known  
phase and are incremented phase-continuously, which allows  
phase shifts to be easily determined. Consuming only 6.7 mA,  
the AD5932 provides a convenient low power solution to  
waveform generation.  
Power supply: 2.3 V to 5.5 V  
Automotive temperature range: −40°C to +125°C  
16-lead, Pb-free TSSOP  
The AD5932 outputs each frequency in the range of interest for  
a defined length of time and then steps to the next frequency in  
the scan range. The length of time the device outputs a particular  
frequency is preprogrammed, and the device increments the  
frequency automatically; or, alternatively, the frequency is  
incremented externally via the CTRL pin. At the end of the  
range, the AD5932 continues to output the last frequency until  
the device is reset. The AD5932 also offers a digital output via  
the MSBOUT pin.  
APPLICATIONS  
Frequency scanning/radar  
Network/impedance measurements  
Incremental frequency stimulus  
Sensory applications  
Proximity and motion  
(continued on Page 3)  
FUNCTIONAL BLOCK DIAGRAM  
DVDD  
CAP/2.5V  
DGND  
INTERRUPT  
STANDBY  
AGND  
AVDD  
AD5932  
REGULATOR  
VCC  
2.5V  
BUFFER  
SYNCOUT  
MCLK  
CTRL  
SYNC  
BUFFER  
MSBOUT  
VOUT  
INCREMENT  
CONTROLLER  
24-BIT  
PIPELINED  
DDS CORE  
DATA  
INCR  
10-BIT  
DAC  
FREQUENCY  
CONTROLLER  
/
24  
DATA AND CONTROL  
CONTROL  
REGISTER  
ON-BOARD  
REFERENCE  
FULL-SCALE  
CONTROL  
SERIAL INTERFACE  
COMP  
FSYNC  
SCLK  
SDATA  
Figure 1.  
1 Protected by U.S. patent number 6747583; other patents pending.  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  

AD5932YRUZ-REEL7 替代型号

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Programmable Frequency Scan Waveform Generator

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