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AD5425YRM-REEL7

更新时间： 2025-08-02 21:55:31
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亚德诺 - ADI /
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20页 411K
描述
8-Bit, High Bandwidth Multiplying DAC with Serial Interface

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AD5425YRM-REEL7 数据手册

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8-Bit, High Bandwidth  
Multiplying DAC with Serial Interface  
AD5425*  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
2.5 V to 5.5 V Supply Operation  
50 MHz Serial Interface  
8-Bit (Byte Load) Serial Interface, 6 MHz Update Rate  
10 MHz Multiplying Bandwidth  
؎10 V Reference Input  
V
V
REF  
DD  
R
FB  
R
I
1
2
OUT  
8-BIT  
AD5425  
R-2R DAC  
I
OUT  
Low Glitch Energy < 2 nV-s  
Extended Temperature Range –40؇C to +125؇C  
10-Lead MSOP Package  
Guaranteed Monotonic  
4-Quadrant Multiplication  
LDAC  
DAC REGISTER  
POWER-ON  
RESET  
INPUT LATCH  
Power On Reset with Brownout Detection  
LDAC Function  
0.4 ␮A Typical Power Consumption  
SYNC  
SCLK  
SDIN  
CONTROL LOGIC AND  
INPUT SHIFT REGISTER  
APPLICATIONS  
GND  
Portable Battery-Powered Applications  
Waveform Generators  
Analog Processing  
Instrumentation Applications  
Programmable Amplifiers and Attenuators  
Digitally-Controlled Calibration  
Programmable Filters and Oscillators  
Composite Video  
Ultrasound  
Gain, Offset, and Voltage Trimming  
GENERAL DESCRIPTION  
As a result of processing on a CMOS submicron process, this  
DAC offers excellent 4-quadrant multiplication characteristics,  
with large signal multiplying bandwidths of 10 MHz.  
The AD5425 is a CMOS 8-bit current output digital-to-analog  
converter that operates from a 2.5 V to 5.5 V power supply,  
making it suited to battery-powered applications and many  
other applications.  
The applied external reference input voltage (VREF) determines  
the full-scale output current. An integrated feedback resistor (RFB)  
provides temperature tracking and full-scale voltage output  
when combined with an external I-to-V precision amplifier.  
This DAC utilizes a double buffered 3-wire serial interface that  
is compatible with SPI®, QSPI™, MICROWIRE™, and most  
DSP interface standards. In addition, an LDAC pin is provided,  
which allows simultaneous update in a multi-DAC configuration.  
On power-up, the internal shift register and latches are filled  
with 0s and the DAC outputs are at 0 V.  
The AD5425 DAC is available in a small 10-lead MSOP package.  
*Protected by U.S. Patent No. 5,969,657; 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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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AD5425YRM-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
AD5425YRMZ-REEL7 ADI

完全替代

 8-Bit, High Bandwidth Multiplying DAC with Serial Interface
AD5446YRM-REEL7 ADI

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