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AD5547BRUZ-REEL7 PDF预览

AD5547BRUZ-REEL7

更新时间: 2024-11-05 14:40:47
品牌 Logo 应用领域
亚德诺 - ADI 输入元件光电二极管转换器
页数 文件大小 规格书
20页 409K
描述
IC PARALLEL, WORD INPUT LOADING, 0.5 us SETTLING TIME, 16-BIT DAC, PDSO38, ROHS COMPLIANT, MO-153BD-1, TSSOP-38, Digital to Analog Converter

AD5547BRUZ-REEL7 数据手册

 浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第2页浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第3页浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第4页浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第5页浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第6页浏览型号AD5547BRUZ-REEL7的Datasheet PDF文件第7页 
Dual Current Output, Parallel Input, 16-/14-Bit  
Multiplying DACs with 4-Quadrant Resistors  
AD5547/AD5557  
FEATURES  
Dual channel  
FUNCTIONAꢀ BꢀOCK DIAGRAM  
R
R
V
R
1A  
COMA  
REFA  
OFSA  
16-bit resolution: AD5547  
14-bit resolution: AD5557  
2- or 4-quadrant, 4 MHz BW multiplying DAC  
1 ꢀSB DNꢀ  
1 ꢀSB INꢀ  
Operating supply voltage: 2.7 V to 5.5 V  
ꢀow noise: 12 nV/√Hz  
ꢀow power: IDD = 10 μA max  
0.5 μs settling time  
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  
Extended automotive operating temperature range:  
–40°C to +125°C  
R
FBA  
V
DD  
DAC A  
REGISTER  
RS  
D0..D15  
OR  
D0..D13  
INPUT  
REGISTER  
I
DAC A  
DAC B  
D0–D15  
(AD5547)  
D0–D13  
OUTA  
RS  
AGNDA  
(AD5557)  
AGNDB  
DAC B  
REGISTER  
RS  
INPUT  
REGISTER  
I
OUTB  
RS  
DAC A  
DAC B  
WR  
R
FBB  
R
OFSB  
POWER  
ON  
RESET  
A0, A1  
ADDR  
DECODE  
AD5547/AD5557  
DGND  
RS MSB  
LDAC  
R
R
V
REFB  
1B  
COMB  
Figure 1.  
Selectable zero-scale/midscale power-on presets  
Compact TSSOP-38 package  
APPꢀICATIONS  
Automatic test equipment  
Instrumentation  
Digitally controlled calibration  
Digital waveform generation  
The built-in 4-quadrant resistors facilitate resistance matching  
and temperature tracking, which minimize the numbers of  
components needed for multiquadrant applications. In  
addition, the feedback resistor (RFB) simplifies the I-V  
conversion with an external buffer.  
GENERAꢀ DESCRIPTION  
The AD5547/AD5557 are dual precision, 16-/14-bit,  
multiplying, low power, current-output, parallel input, digital-  
to-analog converters. They are designed to operate from single  
+5 V supply with 1ꢀ V multiplying references for 4-quadrant  
outputs with up to 4 MHz bandwidth.  
The AD5547/AD5557 are available in a compact TSSOP-38  
package and operate at the extended automotive temperature  
range of –4ꢀ°C to +125°C.  
VREF  
U1  
–VREF  
C1  
R
R
V
R
R
FBA  
1A  
COMA  
REFA  
OFSA  
C2  
ROFS RFB  
R1  
R2  
U2  
IOUTA  
VOUTA  
16-/14-BIT  
DAC A  
AD5547/AD5557  
16/14 DATA  
AGNDA  
–VREF TO +VREF  
POWER-ON  
RESET  
WR LDAC RS  
MSB A0, A1  
(ONE CHANNEL SHOWN ONLY)  
WR  
LDAC  
RS  
MSB  
A0, A1  
2
Figure 2. 16-/14-Bit 4-Quadrant Multiplying DAC with Minimum of External Components (Only One Channel Shown)  
Rev. A  
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 ©2004–2009 Analog Devices, Inc. All rights reserved.  

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