OH1881
Hall effect Latching IC
Order Information
PN
OH1881
Operate temperature
-40½125℃
Package
1000pcs/bag
General Description
:
OH1881Hall effect Latching Switch IC are composed of a
Description:
reverse protector, voltage regulator, Hall voltage generator, differential amplifier,
Schmitt trigger and an open-collector output on a single silicon chip. ICs can
convert the changeable magnetic field signal into digital voltage output.
Features
Applications
½
High reliability
½
Non-contact switch
½
anti-environmental stress
½
Speed measurement
½
Reverse Polarity Protection
½
Position detection
½
Interfacing with All Kinds of Logic Circuits
½
Brushless DC motor
Absolute Maximum Ratings
（T
A
=25℃）
Supply VoltageV
CC··············
4.5-24V
Operating Temperature Range T
A ············
-40½125℃
Output Current I
O···················
25mA
Storage Temperature RangeT
S ················
-55½150℃
Magnetic-electrical Transfer Characteristics
V
OUT
V
OH
B
H
REG
Pin3.Vout
AMP
Functional Block Diagram
Diagram：
Pin1.V
CC
m
B
RP
0
B
OP
B
Pin2.GND
Electrical Characteristics
(Ta= 25°C )
Parameter
Supply Voltage
Output Saturation
Voltage
Output Leakage Current
Supply Current
Output Rise Time
Output Falling Time
Symbol
V
CC
V
OL
I
OH
I
CC
t
r
t
f
V
CC
=4.5V, R
L
=960Ω,
B≥B
OP
Vo=Vccmax , B≤B
RP
V
CC
=V
CCMAX
OC OUTPUT
Vcc=12V, R
L
=820Ω,
C
L
=20pF
Page 1
www.ohhall.com
FAX: 86-25-52312738
Conditions
Value
Min
4.5
-
-
-
-
-
Typ
-
200
1
6
0.3
0.3
Max
24
400
10
-
1.5
1.5
Unit
V
mV
μA
mA
μS
μS
Nanjing Ouzhuo Technology co., Ltd
Tel：86-25-52312738，86-25-83247886
www.zbling.com
E-mail: ohhall@163.com
OHHALLSENSOR [ Nanjing Ouzhuo Technology Co., Ltd. ]
