参数资料
型号: AG911-07E
厂商: NVE Corp/Sensor Products
文件页数: 99/145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
Signal Conditioning Circuits
A number of methods exist for pre-amplification of an NVE GMR bridge sensor output. This section
shows some representative circuits and compares the relative advantages and disadvantages of some
common configurations. The circuits shown were designed for low power and 5V operation. Low
noise or high performance applications should be designed with lower noise, higher performance
components.
Operational Amplifier (Op Amp) Bridge Preamplifier Circuits
Single Op Amp Bridge Amplifier
The figure below shows a simple circuit for amplifying an NVE AAxxx-02 GMR Magnetic Field
Sensor’s bridge output using a single 5V supply. The advantages of this configuration are simplicity,
low component count, and low cost.
+5V
C1 0.1uF
Vref
+5V
C2 0.1uF
R4
R3
3 +
7 V+
8 Vin+
5 Vout+
1 Vout-
R1
2 -
U2
LMC7101A/NS
4 V-
6
Vout
4 Vin-
R2
S INGLE O P A MP P REAMPLIFIER C IRCUIT
- 99 -
www.nve.com phone: 952-829-9217 fax: 952-829-9189
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