ohn3151u Optek Technology, Inc., ohn3151u Datasheet

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ohn3151u

Manufacturer Part Number
ohn3151u
Description
Ratiometric Linear Hall-effect Sensor
Manufacturer
Optek Technology, Inc.
Datasheet
Ratiometric Linear Hall-effect Sensor
OHN3150U, OHN3151U, OHS3150U, OHS3151U
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
Features:
Description:
Each ratiometric linear Hall-effect sensor contains a monolithic integrated circuit on a single chip. This circuit
incorporates a quadratic Hall sensing element, which minimizes the effects of mechanical and thermal stress on
the Hall element and temperature compensating circuitry to compensate for the inherent Hall element sensitivity
change over temperature current.
These ratiometric linear Hall-effect sensors provide an output voltage that varies in proportion to the applied
magnetic field. The voltage output will increase in response to a south pole (positive) magnetic field applied
perpendicular to the package symbolization face, and will decrease in response to a north pole (negative)
magnetic field.
These 3150U & 3151U ratiometric linear Hall-effect sensors can be used as a non-contact sensor for rotary and
linear position sensing and for current sensing. The devices in this series are similar in performance, except for
their allowable quiescent voltage output change over the specified operating temperature range.
Applications:
Ratiometric linear output capable of sinking and sourcing current
4.5 V to 6.0 V operation
Responds equally to positive and negative magnetic fields
Excellent temperature stability to operate in harsh environments
Robust package capable of withstanding harsh environments
Non-contact magnetic sensing
Assembly lIne automation
Machine automation
Machine safety
Door sensor
Where sensing is required in dirty environments
RoHS
Element
Qual
Hall
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Regulator
Voltage
Converter
Dual to
Single
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Vcc
1 Vcc
2
Output
Gnd
3
OHN3150U
OHS3150U
OHN3151U
OHS3151U
-40°C to +150°C
-40°C to +150°C
-20°C to +85°C
-20°C to +85°C
Ordering Information
Product Photo Here
V
V
OQ
OQ
DIMENSIONS ARE IN:
Change over T
Change over T
Issue A .1
A
A
= ±35 Gauss
= ±50 Gauss
[MILLIMETERS]
INCHES
Page 1 of 4
08/06

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ohn3151u Summary of contents

Page 1

... Ratiometric Linear Hall-effect Sensor OHN3150U, OHN3151U, OHS3150U, OHS3151U Features: • Ratiometric linear output capable of sinking and sourcing current • 4 6.0 V operation • Responds equally to positive and negative magnetic fields • Excellent temperature stability to operate in harsh environments • Robust package capable of withstanding harsh environments Description: Each ratiometric linear Hall-effect sensor contains a monolithic integrated circuit on a single chip ...

Page 2

... Ratiometric Linear Hall-effect Sensor Emitting Diode OHN3150U, OHN3151U, OHS3150U, OHS3151U Absolute Maximum Ratings Supply Voltage Storage Temperature Range Operating Temperature Range, T Lead Soldering Temperature (1/8 inch [3.2 mm] from case for 5 seconds with soldering iron) Power Dissipation Output Current Magnetic Flux Density, B ...

Page 3

... Ratiometric Linear Hall-effect Sensor OHN3150U, OHN3151U, OHS3150U, OHS3151U Characteristics Definitions Quiescent voltage Output: With no magnetic field present the device in the quiescent state and the voltage output is approximately equal to one-half the supply voltage (V the operating voltage and temperature range. The change in quiescent voltage output over temperature gives the device’ ...

Page 4

... Ratiometric Linear Hall-effect Sensor Emitting Diode OHN3150U, OHN3151U, OHS3150U, OHS3151U 1000 800 600 400 200 0 -200 -400 -600 -800 -1000 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Issue A .1 08/06 Page ...

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