Differential Magnetoresistive Speed Sensor Magnetic Resistance

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Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.

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MRVS
Magnetic Displacement Sensor
Analog Type
Angular Displacement
Integration
Stainless Steel
IP65
CE
Customized
Yuanben
Carton
Shanghai
Product Description
Magnetoresistive Speed Sensor
Description

The differential magnetoresistive sensor MRVS-011 consists of two series coupled magneto resistors ( InSb/NiSb semiconductor resistors whose value can be magnetically controlled), which are mounted onto an insulated ferrite substrate. The sensor is encapsulated in a metallic or plastic package and has 3 connection terminals. The basic resistance of the total system is 2 x 300Ω. A permanent magnet, which supplies a biasing magnetic field, is fixed on the base of the sensor.

Features
Sensing over wide rotation speed range

· Robust metallic or plastic housing
· Signal amplitude is speed independent
· Biasing magnet built in
· Best suited for harsh environments, anti-interference
· Small size, high freqency and accuracy
Typical applications
· Speed detection
· Position detection
· Rotation detection
· Angle encoder
· Linear position sensing

Outlines


Case Style A:   Ø8.5x6.5mm


Case Style B:   Ø10x10mm



Part number
Part number Case style Outline   Cross reference
MRVS-011-A A Ø8.5x6.5mm Infineon FP212D250-22
MRVS-011-B B Ø10x10mm Infineon FP210D250-22

Specifications
Maximum power supply Vmax 10V DC
Nominal power supply 5V DC
Total resistance R 1-3 (δ=∞, I≤mA, t=25°C) 900 Ω - 1600 Ω
Center symmetry M=100% (R1-2-R2-3)/R1-2 (δ=∞) ≤10%
Offset voltage (at Vin and δ=∞) ≤ 130mV
Open circuit output voltage Vout pp (at Vin and δ=0.15mm) ≥900mV
Cut-off frequency  >20kHz
Operating temperature -30°C ~ +70°C
Storage temperature -40°C ~ +85°C  

Details

Output wave form






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