Ratiometric Linear Hall-effect Sensor
OHN3150U, OHN3151U, OHS3150U, OHS3151U
Features:
•
•
•
•
•
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
Product Photo Here
Through Hole
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:
•
•
•
•
•
•
Ordering Information
Non-contact magnetic sensing
Through Hole
Temp. Range
Machine automation
OHN3150U
-20°C to +85°C
Machine safety
OHS3150U
-40°C to +150°C
OHN3151U
-20°C to +85°C
OHS3151U
-40°C to +150°C
Assembly line automation
Door sensor
Where sensing is required in dirty environments
VOQ Threshold
VOQ Change over TA = ±35 Gauss
VOQ Change over TA = ±50 Gauss
1 Vcc
Voltage
Regulator
Qual
Hall
Element
Dual to
Single
Converter
Vcc
3
Output
2 Gnd
DIMENSIONS ARE IN:
RoHS
[MILLIMETERS]
INCHES
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue B.1 01/09
Page 1 of 4
Ratiometric Linear Hall-effect Sensor
Emitting Diode
OHN3150U, OHN3151U, OHS3150U, OHS3151U
Absolute Maximum Ratings
Supply Voltage, VCC
6V
Storage Temperature Range, TS
-65°C to +170° C
Operating Temperature Range, TA (OHS prefix)
(OHN prefix)
-40°C to +150° C
-20°C to +85° C
Lead Soldering Temperature (1/8 inch [3.2 mm] from case for 5 seconds with soldering iron)
260° C(1)
Power Dissipation, PD
100 mW
5 mA
Output Current, IO
Magnetic Flux Density, B
Unlimited
Electrical Characteristics (Over Operating Temperature Range at VCC = 5 V, unless otherwise noted)
SYMBOL
PARAMETER
VCC
Supply Voltage
ICC
Supply Current
VOQ
Quiescent Voltage Output
MIN
TYP
MAX UNITS
4.5
5.0
6.00
V
5.5
10.00
mA
2.25
2.5
2.75
V
B = OG, TA = 25° C
2.10
2.5
2.90
V
B = OG, TA = -40°C to +150°C
IO
Sink Current
0.5
mA
IO
Source Current
-1.0
mA
OHS3150U
SYMBOL
PARAMETER
TA
Operating
Temperature
Range
Sens
MIN
OHS3151U
TYP MAX
TEST CONDITIONS
Vcc = 6 V, IO = 0 mA, B = OG
OHN3150U
MIN
TYP
MAX
MIN
OHN3151U
TYP MAX
MIN
TYP MAX
UNITS
-40
-
150
-40
-
150
-20
-
85
-20
-
85
°C
Sensitivity
@ TA = 25° C
over TA
2.25
2.0
2.5
-
2.75
3.0
2.25
2.0
2.5
-
2.75
3.0
2.25
2.0
2.5
-
2.75
3.0
2.25
2.0
2.5
-
2.75
3.0
mV/G
mV/G
Sens Change
∆Sens(∆T) @ TA > 25° C
@ TA < 25° C
-2
-10
-
8
0
-2
-10
-
8
0
-2
-10
-
8
0
-2
-10
-
8
0
%
%
VOQ Change
over TA
-
-
±35
-
-
±50
-
-
±35
-
-
±50
G
Ratiometric Sense
Change
-
100
-
-
100
-
-
100
-
-
100
-
%
∆VOQ(∆V)
Ratiometric VOQ
Change
-
100
-
-
100
-
-
100
-
-
100
-
%
+Lin
Positive Lin ≥ 25
< 25
99
99
-
105
110
99
99
-
105
110
99
99
-
105
110
99
99
-
105
110
%
-Lin
Negative Lin ≥ 25
< 25
95
90
-
101
101
95
90
-
101
101
95
90
-
101
101
95
90
-
101
101
%
Sym
Output Symmetry
95
100
105
95
100
105
95
100
105
95
100
105
%
∆VOQ(∆T)
∆Sens(∆V)
Note:
(1) Negative current is defined as a coming out of (sourcing) the output.
(2) See characteristics definitions for test conditions and calculation formulas.
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue B .1 01/09
Page 2 of 4
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
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 (VOQ = VCC / 2) over
the operating voltage and temperature range. The change in quiescent voltage
output over temperature gives the device’s equivalent accuracy and is specified in
gauss by the calculation.
VOQ (TA) - VOQ (25°C)
ΔVOQ (T) = ————————Sens (25°C)
Sensitivity: A magnetic south pole at, and perpendicular to, the device’s symbolized package
face will increase the voltage output above the quiescent value. Conversely a
magnetic north pole will decrease the voltage output below the quiescent value.
This change in voltage output with applied magnetic field is sensitivity and is
specified in mV/G by the calculation.
VO (+500G) - VO (-500G)
Sens = —————————————
1000
The change is sensitivity over temperature is specified in percent by the
calculation
Sens (TA) - Sens (25°C)
ΔSens (ΔT) =
———————————X 100%
Sens (25°C)
Ratiometry: The quiescent voltage output and sensitivity of these ratiometric linear Hall-effect
devices are proportional to the supply voltage. The change in quiescent voltage
output with supply voltage is specified in percent by the calculation
VO (VCC) - VO (5V)
ΔVOQ (ΔV) =
——————————
X 100%
VCC / 5 V
This change in sensitivity with supply voltage is also specified in percent by the
calculation
VOQ (VCC) / VOQ (5V)
ΔSens (ΔV) =
——————————
X 100%
VCC / 5 V
Linearity & Symmetry: The ability of the voltage output to vary in constant proportion to the applied
magnetic field is linearity and is specified in percent by the calculation
VO (+500G) - VOQ
+ Linearity =
——————————
X 100%
2(VO (250G) -VOQ)
- Linearity =
VO (-500G) - VOQ
——————————
2(VO (-250G) -VOQ)
X 100%
The output is also specified in percent by the calculation
VO (500G) - VOQ
——————————
X 100%
- Linearity =
VOQ -VOQ (-500G)
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue B.1 01/09
Page 3 of 4
Ratiometric Linear Hall-effect Sensor
Emitting Diode
OHN3150U, OHN3151U, OHS3150U, OHS3151U
Output vs Gauss
1000
800
600
Typical Gauss
400
200
0
-200
-400
-600
-800
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-1000
Typical Output (Volts)
Icc vs Temperature
8.0
7.0
Typical Icc (mA)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-60
-40
-20
0
20
40
60
80
100 120 140 160
Temperature (°C)
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue B .1 01/09
Page 4 of 4
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
很抱歉,暂时无法提供与“OHS3151U”相匹配的价格&库存,您可以联系我们找货
免费人工找货