参数资料
型号: AG003-01E
厂商: NVE Corp/Sensor Products
文件页数: 119/145页
文件大小: 0K
描述: ASSEMBLY CURRENT SENSOR EVAL
标准包装: 1
传感器类型: 磁性 GMR(大型磁阻传感)
接口: 模拟
嵌入式:
已供物品: 板,CD
已用 IC / 零件: AA 系列电流传感器
产品目录页面: 2839 (CN2011-ZH PDF)
相关产品: 391-1054-5-ND - SENSORS MAGNETIC FIELD LP 8-SOIC
391-1052-5-ND - SENSORS MAGNETIC FIELD 8SOIC
391-1050-5-ND - SENSORS MAGNETIC FIELD 8SOIC
391-1049-5-ND - SENSORS MAGNETIC FIELD 8MSOP
391-1048-5-ND - SENSORS MAGNETIC FIELD 8SOIC
391-1045-5-ND - SENSORS MAGNETIC FIELD 8SOIC
391-1032-5-ND - SENSORS MAGNETIC FIELD 8MSOP
391-1030-5-ND - SENSORS MAGNETIC FIELD 8MSOP
AB001-02-ND - SENSORS MAGNETIC FIELD 8SOIC
391-1020-5-ND - SENSORS MAGNETIC FIELD LP 8-SOIC
更多...
其它名称: 391-1060
Application Notes
DATA ANALYSIS- One To Ten Amps
Currents (1-10 A) were run through the 90 and 60-mil traces found on the PCB in NVE’s Current
Sensor Evaluation Kit AG003-01. An AA003-02 sensor was placed over the 90 and 60-mil traces and
different levels of DC current were run through the traces. This current and the corresponding output
from the sensors are shown in the following graphs.
AA003-02 over 0.090" wide,
0.0023" thick trace
450
400
350
300
250
200
150
100
50
0
mV Out = 29.8 ± 0.2A
@8.33V
0
2
4
6
8
10
Current(A)
The sensor was supplied with 8.33V and was hand-soldered over the trace. The trace is 0.090” wide
and 0.0023 ± 0.0002" thick. The marks on the graph are output error bars which cover the expected
error from this part due to intrinsic hysteresis and measurement errors. The current was swept from
zero to ten Amps and back to zero multiple times. The output voltage at specific current levels was
analyzed and an output voltage precision was determined to have a relative error of approximately
±0.7% with errors of up to 2% possible at low currents.
A linear fit on the data above shows a 29.8 ± 0.2 mV/A correlation in this configuration. The sensor
utilizes a Wheatstone bridge and thus the applied voltage across the bridge is directly related to the
output. By dividing the slope by 8.33V, we get a more useful number of 3.57 ± 0.02 mV/V/A. With
this number, the user can determine the expected output for any applied voltage.
- 119 -
www.nve.com phone: 952-829-9217 fax: 952-829-9189
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