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5962-8982502PA 参数 Datasheet PDF下载

5962-8982502PA图片预览
型号: 5962-8982502PA
PDF下载: 下载PDF文件 查看货源
内容描述: 高精度10 V参考 [High Precision 10 V Reference]
分类和应用:
文件页数/大小: 12 页 / 361 K
品牌: ADI [ ADI ]
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AD587  
Each AD587J and AD587K grade unit is tested at 0°C, 25°C,  
and 70°C. Each AD587U grade unit is tested at −55°C, +25°C,  
and +125°C. This approach ensures that the variations of the  
output voltage that occur as the temperature changes within the  
specified range are contained within a box whose diagonal has a  
slope equal to the maximum specified drift. The position of the  
box on the vertical scale changes from device to device as initial  
error and the shape of the curve vary. The maximum height of  
the box for the appropriate temperature range and device grade  
is shown in Figure 16. Duplication of these results requires a  
combination of high accuracy and stable temperature control in  
a test system.  
NEGATIVE REFERENCE VOLTAGE FROM AN AD587  
The AD587 can be used as shown in Figure 17 to provide a  
precision −10.000 V output. The +VIN pin is tied to at least a  
+3.5 V supply, the output pin is grounded, and the AD587  
ground pin is connected through a resistor (RS) to a −15 V  
supply. The −10 V output is taken from the ground pin (Pin 4)  
instead of VOUT. It is essential to arrange the output load and the  
supply resistor (RS) so that the net current through the AD587 is  
between 2.5 mA and 10.0 mA (RS should be kept below 1 kꢀ).  
The temperature characteristics and long-term stability of the  
device is essentially the same as that of a unit used in the  
standard 10 V output configuration.  
MAXIMUM OUTPUT CHANGE – mV  
DEVICE  
3.5V26V  
0 TO +70°C  
14.00  
–55°C TO +125°C  
GRADE  
AD587J  
2
AD587K  
AD587U  
7.00  
+V  
IN  
9.00  
V
6
OUT  
Figure 16. Maximum Output Change in Millivolts  
AD587  
GND  
4
I  
L
–10V  
1nF  
R
S
5V  
– I < 10mA  
L
2.5mA <  
R
S
–15V  
Figure 17. AD587 as a Negative 10 V Reference  
Rev. H | Page 9 of 12