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General Description
The OCH1931 is a small, versatile linear
Hall-effect device that is operated by the magnetic field
from a permanent magnet or an electromagnet .The
linear output voltage is set by the supply voltage and
varies in proportion to the strength of the magnetic
field.
The integrated circuitry features low noise output,
which makes it unnecessary to use external filtering. It
also includes thin film resistors to provide increased
temperature stability and accuracy.
The linear Hall sensor has an operating
temperature range of -40 °C to 85 °C appropriate for
commercial, consumer and industrial environments.
OCH1931
Linear Hall-effect Sensors
Features
Input Voltage Range : 2.5V to 7.5V
Low-noise Output virtually Eliminates the Need
for Filtering
Responds to either Positive or Negative Gauss
Single Current Sourcing Output
Available in SIP-3L Packages
-40to +85 Temperature Range
Applications
Motor Control
Current Sensing
Position Sensing
Magnetic Code Reading
Rotary Encoder
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Pin Configuration
Name
Vcc
GND
OUTPUT
PIN No.
1
2
3
Application Circuit
(Top View)
OUTPUT
GND
Vcc
SIP-3L
Description
IC Power Supply
IC Ground
Linear Voltage Output Pin
OCH1931
1
VDD
CIN=0.1~1uF
23
GND
OUTPUT
Figure 1, application circuit
Note: CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 0.1~1uF.
If the VDD power supply is clean, the CIN can be cancelled.
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Ordering Information
Part Number Package Type
OCH1931MD
SIP-3L
Packing Qty
1000pcs/bag
OCH1931
Linear Hall-effect Sensors
Sensitivity
2.5mV/GS
Temperature
-4085
Eco Plan
RoHS
Lead
Cu
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Ver. 1.2 Feb .27, 2018
源于灿瑞 磁传天下