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AD5544SRS-EP PDF预览

AD5544SRS-EP

更新时间： 2024-11-25 19:52:31
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器
页数 文件大小 规格书
12页 242K
描述
Quad, Current-Output, Serial-Input 16-/14-Bit DACs

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AD5544SRS-EP 数据手册

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Quad, Current-Output,  
Serial-Input 16-Bit DAC  
Enhanced Product  
AD5544-EP  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
2 mA full-scale current 20%, with VREF  
0.9 µs settling time to 0.1%  
12 MHz multiplying bandwidth  
Midscale glitch of −1 nV-sec  
= 10 V  
V
DD  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D8  
R
I
A
A
FB  
SDO  
INPUT  
REGISTER  
DAC A  
REGISTER  
DAC A  
OUT  
R
R
R
R
R
R
R
R
Midscale or zero-scale reset  
A
A
GND  
4 separate, 4-quadrant multiplying reference inputs  
SPI-compatible, 3-wire interface  
Double-buffered registers enable  
Simultaneous multichannel change  
Internal power-on reset  
R
B
FB  
INPUT  
REGISTER  
DAC B  
REGISTER  
16  
D9  
I
B
DAC B  
DAC C  
OUT  
D10  
D11  
D12  
D13  
D14  
D15  
A0  
A
B
GND  
R
I
C
C
FB  
INPUT  
REGISTER  
DAC C  
REGISTER  
OUT  
SDI  
A1  
Compact 28-lead SSOP  
A
C
GND  
CS  
R
I
D
FB  
CLK  
EN  
ENHANCED PRODUCT FEATURES  
INPUT  
REGISTER  
DAC D  
REGISTER  
D
DAC D  
OUT  
DAC  
A
B
C
D
A
D
Supports defense and aerospace applications (AQEC)  
Military temperature range (−55°C to +125°C)  
Controlled manufacturing baseline  
1 assembly/test site  
GND  
2:4  
AD5544-EP  
POWER-ON  
RESET  
DECODE  
A
F
GND  
DGND  
RS  
MSB  
LDAC  
V
SS  
1 fabrication site  
Figure 1.  
Enhanced product change notification  
Qualification data available on request  
APPLICATIONS  
Automatic test equipment  
Instrumentation  
Digitally controlled calibration  
GENERAL DESCRIPTION  
packages are used. A common, level-sensitive, load DAC strobe  
LDAC  
from previously loaded input registers. Additionally, an internal  
power-on reset forces the output voltage to 0 at system turn-on.  
The AD5544-EP quad, 16-bit, current output, digital-to-analog  
converter (DAC) is designed to operate from a 2.7 V to  
5.5 V supply range.  
(
) input allows the simultaneous update of all DAC outputs  
The applied external reference input voltage (VREFx) determines  
the full-scale output current. Integrated feedback resistors (RFB)  
provide temperature-tracking, full-scale voltage outputs when  
combined with an external I-to-V precision amplifier.  
RS  
The MSB pin allows system reset assertion ( ) to force all registers  
to zero code when MSB = 0 or to half-scale code when MSB = 1.  
The AD5544-EP is packaged in the compact 28-lead SSOP.  
Additional application and technical information can be found  
in the AD5544 data sheet.  
A double-buffered serial data interface offers high speed, 3-wire,  
SPI- and microcontroller-compatible inputs using serial data in  
CS  
(SDI), a chip select ( ), and clock (CLK) signals. In addition, a  
serial data out pin (SDO) allows for daisy chaining when multiple  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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: 781.461.3113  
www.analog.com  
©2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 
 
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