OHB900 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – HALLOGIC HALL EFFECT SENSOR ASSEMBLY

Hallogic Hall Effect Sensor Assembly
OHB900
Electrical Characteristics (Vcc = 4.5 V to 24 V, T_A = 25° C unless otherwise noted)
Symbol
Parameter
Min Typ Max Units
Test Conditions
I_CC Supply Current
V_OL Output Saturation Voltage
I_OH Output Leakage Current
t_r
Output Rise Time
t_f
Output Fall Time
4
7
100 400
0.1 10.0
0.21 1.00
0.10 1.00
mA Vcc = 24 V, Output Off
mV Vcc = 4.5 V, I_OL = 20 mA, Slot Open
µA Vcc = 4.5 V, V_OUT = 24 V, Slot Blocked⁽¹⁾
µs
R_L = 820 Ω, C_L = 20 pF
µs
(1) Slot blocked with a ferrous material to interrupt magnetic flux.
B _OP
B _RP
Rise & Fall Time vs Temperature
350
Magnetic Field
V_{OH 90%}
Tf
V_OL ^10%
90%
Tr
10%
Right
Operate
Point
Right
Release
Point
Left
Release
Point
Left
Operate
Point
Minimum
0.073"
0.045"
-0.045"
-0.073"
[1,85mm] [1,14mm] [-1,14mm] [-1,85mm]
Vcc 1
Ground 2
820 Ohm
U.U.T.
Output
3
20 pf
Maximum 0.003"
-0.005"
0.005"
-0.003"
[0,08mm] [-1,27mm] [1.27mm] [-0,08mm]
Measurements are referenced to Center Line.
ROP
RRP
MS
Center Line
LOP
LRP
Vane - Material = 1018 Cold Rolled Steel - 0.03" [0.76mm] Thick
Location = 0.50" [1.27mm] from Bottom of Slot
Icc vs Temperature
9.0
300
250
Rise Time
Fall Time
200
150
100
50
0
-40°C
0°C
40°C
80°C
Temperature (°C)
120°C
Saturation Voltage vs Temperature
0.40
150°C
8.0
0.35
7.0
Icc ON (mA)
R_L = 820
Icc OFF (mA)
ohms
6.0
0.30
5.0
0.25
4.0
3.0
0.20
2.0
0.15
1.0
0.0
-40°C
0°C
40°C
80°C
120°C
150°C
Temperature (°C)
0.10
-40°C
0°C
40°C
80°C
120°C 150°C
Temperature (°C)
Issue A 02/ 05
Page 2
OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006
Phone: [phone] FAX: (972) 323– 2396 [e-mail] www.optekinc.com