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參數(shù)資料
| 型號： | EVAL-AD5425EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD5425 |
| 產(chǎn)品培訓(xùn)模塊： | DAC Architectures |
| 標準包裝： | 1 |
| DAC 的數(shù)量： | 1 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 2.47M |
| 數(shù)據(jù)接口： | 串行 |
| 設(shè)置時間： | 15ns |
| DAC 型： | 電流 |
| 工作溫度： | -40°C ~ 125°C |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | AD5425 |
| 相關(guān)產(chǎn)品： | AD5425YRMZ-REEL7-ND - IC DAC 8BIT MULTIPLYING 10MSOP AD5425YRMZ-REEL-ND - IC DAC 8BIT MULTIPLYING 10MSOP AD5425YRMZ-ND - IC DAC 8BIT MULTIPLYING 10MSOP AD5425YRM-REEL7-ND - IC DAC 8BIT MULTIPLYING 10-MSOP AD5425YRM-REEL-ND - IC DAC 8BIT MULTIPLYING 10-MSOP AD5425YRM-ND - IC DAC MULTIPLYING 8BIT 10-MSOP |
8-Bit, High Bandwidth
Multiplying DAC with Serial Interface
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2004–2012 Analog Devices, Inc. All rights reserved.
FEATURES
2.5 V to 5.5 V supply operation
50 MHz serial interface
2.47 MSPS update rate
INL of ±0.25 LSB
10 MHz multiplying bandwidth
±10 V reference input
Low glitch energy: <2 nV-s
Extended temperature range: 40°C to +125°C
10-lead MSOP package
Guaranteed monotonic
4-quadrant multiplication
Power-on reset with brownout detection
LDAC function
0.4 A typical power consumption
APPLICATIONS
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
The AD54251 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 suitable for battery-powered applications and many
other applications.
This DAC utilizes a double buffered, 3-wire serial interface that
is compatible with SPI
, QSPI, MICROWIRE, and most DSP
interface standards. An LDAC pin is also provided, which
allows simultaneous updates in a multi-DAC configuration. On
power-up, the internal shift register and latches are filled with
0s and the DAC outputs are 0 V.
As a result of manufacturing on a CMOS submicron process,
this DAC offers excellent 4-quadrant multiplication charac-
teristics with large signal multiplying bandwidths of 10 MHz.
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.
The AD5425 is available in a small, 10-lead MSOP package.
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
1 U.S. Patent No. 5,969,657.
SCLK
SYNC
AD5425
VREF
IOUT2
IOUT1
RFB
R
8-BIT
R-2R DAC
DAC REGISTER
SDIN
VDD
GND
POWER-ON
RESET
LDAC
CONTROL LOGIC AND
INPUT SHIFT REGISTER
INPUT LATCH
03161-001
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