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AD5546BRUZ

更新时间： 2024-11-05 19:50:11
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
20页 655K
描述
Current-Output Parallel-Input, 16-Bit Digital-to-Analog Converter

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AD5546BRUZ 数据手册

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Current Output, Parallel Input, 16-/14-Bit  
Multiplying DACs with Four-Quadrant Resistors  
Data Sheet  
AD5546/AD5556  
FEATURES  
FUNCTIONAꢀ BꢀOCK DIAGRAM  
R1  
R
REF R  
COM  
OFS  
16-bit resolution  
14-bit resolution  
2- or 4-quadrant multiplying DAC  
1 ꢀSB DNꢀ  
R
R
R1  
R2  
OFS  
FB  
R
I
FB  
DAC  
16/14  
AD5546/  
AD5556  
OUT  
V
DD  
1 ꢀSB INꢀ  
Operating supply voltage: 2.7 V to 5.5 V  
ꢀow noise: 12 nV/√Hz  
ꢀow power: IDD = 10 μA  
WR  
CONTROL  
LOGIC  
DAC  
REGISTER  
LDAC  
GND  
DB0 TO DB15  
0.5 μs settling time  
POR  
Built-in RFB facilitates current-to-voltage conversion  
Built-in 4-quadrant resistors allow 0 V to –10 V, 0 V to +10 V,  
or 10 V outputs  
2 mA full-scale current 20ꢁ, with VREF = 10 V  
Automotive operating temperature: –40°C to +125°C  
Compact TSSOP-28 package  
MSB RS  
Figure 1. AD5546/AD5556 Simplified Block Diagram  
GENERAꢀ DESCRIPTION  
The AD5546/AD5556 are precision 16-/14-bit, multiplying, low  
power, current output, parallel input digital-to-analog converters  
(DACs). They operate from a single 2.7 V to 5.5 V supply with  
10 V multiplying references for four-quadrant outputs. Built-  
in four-quadrant resistors facilitate the resistance matching and  
temperature tracking that minimize the number of components  
needed for multiquadrant applications. The feedback resistor  
(RFB) simplifies the I-V conversion with an external buffer. The  
AD5546/AD5556 are packaged in compact TSSOP-28 packages  
with operating temperatures from –40°C to +125°C.  
APPꢀICATIONS  
Automatic test equipment  
Instrumentation  
Digitally controlled calibration  
Digital waveform generation  
The EVAL-AD5546SDZ is available for evaluating DAC perfor-  
mance. For more information, see the UG-309 evaluation board  
user guide.  
+
U2A  
OP2177  
–
+10V  
–10V  
C7  
R1A  
R1  
R
VREFA  
R
R
FBA  
COMA  
OFSA  
+15V  
C4  
1µF  
C6  
R2  
R
R
FB  
OFS  
+5V  
V
DD  
C5  
C1  
1µF  
C2  
I
0.1µF  
OUT  
16-/14-BIT  
DATA  
0.1µF  
–
V+  
U1  
U2B  
AD5546/AD5556  
VOUT  
OP2177  
GND  
V–  
+
16-/14-BIT  
C8  
1µF  
DATA  
WR LDAC RS MSB  
WR  
LDAC  
RS  
C9  
0.1µF  
–15V  
MSB  
Figure 2. 16-/14-Bit, Four-Quadrant Multiplying DAC with a Minimum of External Components  
Rev. D  
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  
www.analog.com  
Fax: 781.461.3113 ©2004-2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 
 
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AD5546BRUZ 替代型号

型号 品牌 替代类型 描述 数据表
AD5546BRU ADI

完全替代

 Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5546BRU-REEL7 ADI

类似代替

 Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors

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AD5547BRU-REEL7 ADI

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AD5547CRUZ-REEL7 ADI

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