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参数资料
| 型号： | AG920-07 |
| 厂商： | NVE Corp/Sensor Products |
| 文件页数： | 123/145页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION GT SENSOR |
| 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： | 否 |
| 已供物品： | 9 个板，CD，磁体，样品，焊膏 |
| 已用 IC / 零件： | ABL 和 AKL 系列 GT 传感器 |
| 相关产品： | 391-1058-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP 391-1057-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP 391-1056-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP 391-1055-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP 391-1036-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP 391-1035-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP 391-1034-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP 391-1033-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP |
| 其它名称： | 391-1022 |
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Application Notes
The same analysis was performed on the seven 0.010" wide traces of the same thickness. A voltage of
8.06V was again applied and the resulting graph is shown below in the figure below.
AA003-02 over seven 0.010" wide
0.0023" thick traces
194
192
190
188
186
184
182
180
178
176
174
mV Out = 177.74 ± 0.06(A)
@8.06V
0
0.02
0.04
0.06
0.08
0.1
0.12
Current (A)
Seven traces were run under the part so that the magnetic fields from the seven traces are additive at
the sensor thus getting a much higher output with less applied current. To a first-order approximation,
theory predicts that the field will be increased seven fold from just a single trace. The sensitivity from
the single trace above is 3.7 mV/V/A; seven times this is 25.9 mV/V/A, which is not quite achieved.
This discrepancy is due to the different current distributions. The loss would not be as extreme if seven
times the current went through the single trace.
Resolution
Resolution is a function of environmental noise. By shielding, amplifying, and filtering, the low limit
and usable resolution can be greatly increased. The data for the analysis done here was with a “raw”
setup, no amplification or filtering. In a zero gauss chamber, single microamps were detected but the
measurement equipment limited any in-depth analysis.
Effects of Biasing
For the analysis done above, a small ceramic magnet was used to supply a magnetic bias field in a
direction which is parallel to the sensitive axis of the sensor. This magnetic bias “pushes” the output to
a certain value, which is now a “psuedo zero” field point. The magnetic field from a current carrying
conductor is also directional. If a current flows in such a direction as to add to the biasing field, the
output from the sensor will increase. Likewise, if a current flows in the opposite direction, its resultant
field will subtract from the biasing field, and the output will decrease. This directionality can be seen
by looking at the output slopes of the previous two graphs. In the first graph, the output displayed
shows the current produced a field opposite to the biasing magnetic field. Thus showing as the current
increases, the output of the sensor decreases. In the same respect, the second graph shows that the field
from the current was in the same direction as the biasing field.
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www.nve.com phone: 952-829-9217 fax: 952-829-9189
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相关代理商/技术参数 |
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| AG920-07E | 功能描述:KIT EVALUATION GT SENSOR RoHS:是 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| AG921-07E | 功能描述:AKL002-12E - Magnetic, GMR (Giant Magnetoresistive) Sensor Evaluation Board 制造商:nve corp/sensor products 系列:- 零件状态:有效 传感器类型:磁性，GMR（大型磁阻传感） 感应范围:- 接口:模拟 灵敏度:- 电压 - 电源:- 嵌入式:- 所含物品:板 使用的 IC/零件:AKL002-12E 标准包装:1 |
| AG930-07E | 制造商:NVE Corporation 功能描述:TMR ANGLE SENSOR EVAL BOARD 制造商:NVE Corporation 功能描述:EVAL BOARD, AAT001-10E ANGLE SENSOR; Silicon Manufacturer:NVE; Silicon Core Number:AAT001-10E; Kit Application Type:Sensing - Magnetic, Compass; Application Sub Type:Magnetic Sensor; Kit Contents:Eval Board AAT001-10E |
| AG931-07E | 功能描述:AAT003-10E - Magnetic, Rotary Position Sensor Evaluation Board 制造商:nve corp/sensor products 系列:- 零件状态:新产品 传感器类型:磁性，旋转位置 感应范围:- 接口:模拟 灵敏度:- 电压 - 电源:1.5 V ~ 5.5 V 嵌入式:- 所含物品:板 使用的 IC/零件:AAT003-10E 标准包装:1 |
| AG932-07E | 功能描述:ADT001-10E, ADT002-10E - Magnetic, Rotary Position Sensor Evaluation Board 制造商:nve corp/sensor products 系列:- 零件状态:在售 传感器类型:磁性，旋转位置 感应范围:- 接口:模拟 灵敏度:- 电压 - 电源:2.4 V ~ 5.5 V 嵌入式:- 所含物品:板，磁铁 使用的 IC/零件:ADT001-10E，ADT002-10E 标准包装:1 |
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