参数资料
型号: AG911-07E
厂商: NVE Corp/Sensor Products
文件页数: 93/145页
文件大小: 0K
描述: KIT EVALUATION GMR SWITCH
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: 3 个板,CD,磁体,样品
已用 IC / 零件: AD 系列开关
相关产品: AD004-00E-ND - SENSOR MAG SW 20G STNDRD 8-MSOP
AD122-00-ND - SENSOR MAG SW 40G CROS AX 8-MSOP
AD105-00-ND - SENSOR MAG SW 40G STANDRD 8-MSOP
391-1018-ND - SENSOR MAG SW 10G CRS AXS 8-MSOP
391-1012-ND - SENS MAG SW 28G CROS AXIS 8-MSOP
391-1010-ND - SENS MAG SW 40G CROS AXIS 8-MSOP
391-1009-ND - SENS MAG SW 20G CROS AXIS 8-MSOP
391-1008-ND - SENSOR MAG SW 28G STNDRD 8-MSOP
391-1006-ND - SENSOR MAG SW 40G STNDRD 8-MSOP
391-1005-ND - SENSOR MAG SW 20G STNDRD 8-MSOP
其它名称: 391-1062
Application Notes
Also important to note regarding hysteresis is that it scales with the applied magnetic field. For
applications where the magnetic field variations are small, hysteresis is small. The following diagram
illustrates this point:
- Applied Field
Voltage
Output
Output Follows This
Curve from Positive
Saturation Field Back
to Zero
Output Follows This
Curve from Zero to
Positive Saturation
Field
+ Applied Field
The enlarged area on the left shows the outer boundaries of the sensor hysteresis loop when it is
operated in unipolar mode (positive magnetic fields only). Inside the outer boundaries is the sensor
behavior if it is exposed to small but increasing magnetic fields. For example, if this was the
characteristic of an AA002-02 sensor, the magnetic field history for the characteristic between the
boundaries might start at 6 Gauss, then go to 6.5, then 5.5, then 7, then 7.5, and so forth. The curvature
of the lines between the boundaries is exaggerated for clarity. The diagram shows that for small
variations of the magnetic field, the hysteresis is also small, and as the variations in field increase, so
does the hysteresis.
Sensor hysteresis presents challenges in some applications, but in most cases the sensor elements can
be used to advantage despite the hysteresis characteristics.
- 93 -
www.nve.com phone: 952-829-9217 fax: 952-829-9189
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