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DAC8412FPC-REEL PDF预览

DAC8412FPC-REEL

更新时间: 2024-11-04 12:34:23
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20页 479K
描述
Quad, 12-Bit DAC Voltage Output with Readback

DAC8412FPC-REEL 数据手册

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Quad, 12-Bit DAC  
Voltage Output with Readback  
Data Sheet  
DAC8412/DAC8413  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
V
V
REFH  
LOGIC  
DD  
+5 V to 15 V operation  
Unipolar or bipolar operation  
True voltage output  
Double-buffered inputs  
Reset to minimum (DAC8413) or center scale (DAC8412)  
Fast bus access time  
12  
I/O  
PORT  
DATA  
I/O  
INPUT  
REG A  
OUTPUT  
REG A  
V
DAC A  
DAC B  
DAC C  
DAC D  
OUTA  
OUTB  
DGND  
INPUT  
REG B  
OUTPUT  
REG B  
V
A0  
A1  
INPUT  
REG C  
OUTPUT  
REG C  
V
V
CONTROL  
LOGIC  
OUTC  
Readback  
R/W  
CS  
INPUT  
REG D  
OUTPUT  
REG D  
OUTD  
APPLICATIONS  
RESET  
LDAC  
Automatic test equipment  
Digitally controlled calibration  
Servo controls  
V
V
REFL  
SS  
Figure 1.  
Process control equipment  
GENERAL DESCRIPTION  
They can be operated from a wide variety of supply and reference  
voltages with supplies ranging from single +5 V to 15 V, and  
references from +2.5 V to 10 V. Power dissipation is less than  
330 mW with 15 V supplies and only 60 mW with a +5 V supply.  
The DAC8412/DAC8413 are quad, 12-bit voltage output  
DACs with readback capability. Built using a complementary  
BiCMOS process, these monolithic DACs offer the user very  
high package density.  
For MIL-STD-883 applications, contact your local Analog  
Devices, Inc. sales office for the DAC8412/DAC8413/883 data  
sheet, which specifies operation over the −55°C to +125°C  
temperature range. All 883 parts are also available on Standard  
Military Drawings 5962-91 76401MXA through 76404M3A.  
0.500  
Output voltage swing is set by the two reference inputs VREFH  
and VREFL. By setting the VREFL input to 0 V and VREFH to a  
positive voltage, the DAC provides a unipolar positive output  
range. A similar configuration with VREFH at 0 V and VREFL at a  
negative voltage provides a unipolar negative output range.  
Bipolar outputs are configured by connecting both VREFH and  
V
REFL to nonzero voltages. This method of setting output voltage  
0.375  
0.250  
0.125  
+125°C  
range has advantages over other bipolar offsetting methods  
because it is not dependent on internal and external resistors  
with different temperature coefficients.  
+25°C  
Digital controls allow the user to load or read back data from any  
DAC, load any DAC, and transfer data to all DACs at one time.  
0
–0.125  
–0.250  
–0.375  
–0.500  
–55°C  
RESET  
An active low  
loads all DAC output registers to midscale  
V
V
V
V
T
= +15V  
= –15V  
DD  
SS  
for the DAC8412 and zero scale for the DAC8413.  
= +10V  
= –10V  
REFH  
REFL  
The DAC8412/DAC8413 are available in 28-lead plastic DIP,  
28-lead cerami c DI P, 28-lead PLCC, and 28-lead LCC packages.  
= –55°C, +25°C, +125°C  
A
0
512  
1024 1536 2046 2548 2560  
DIGITAL INPUT CODE (Decimal)  
3072 4096  
Figure 2. INL vs. Code Over Temperature  
Rev. G  
Document Feedback  
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 ©2000–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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