OH543
Unipolar Hall Effect IC In SMD Package
Order Information
PN
OH543
Operate temperature
-40½150℃
Package
1000pcs/reel
General Description
:
OH543 is a switched Hall-Effect IC which is for
Description:
contactless switching applications. The device includes an on-chip Hall voltage
generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a
schmitt trigger to provide switching hysteresis for noise rejection, and an
open-collector output.
Features
Applications
½
High reliability
½
Speed measurement
½
good temperature performance
½
Home appliances
½
anti-environmental stress
½
Position detection
½
Reverse Polarity Protection
½
Flow measurement
Absolute Maximum Ratings
(T
A
=25℃)
Supply VoltageV
CC··············
4-30V
Operating Temperature Range T
A ········
-40
½
150℃
Output Current I
O·················
50mA
Storage Temperature RangeT
S ················
-65½150℃
Magnetic-electrical Transfer Characteristics Functional Block Diagram
Diagram:
V
OUT
Pin1.V
CC
V
OH
B
H
REG
Pin3.Vout
AMP
m
V
OL
0
B
RP
B
OP
B
Pin2.GND
Electrical Characteristics
(Ta= 25°C )
Value
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
Vcc=4.5V, Iout=20mA,
B≥B
OP
Vout=24V,B≤B
RP
V
CC
=Vccmax OC output
Vcc=12V, R
L
=820Ω,
C
L
=20pF
Conditions
Min
4
-
-
-
-
-
Typ
-
0.2
0.1
5
0.2
0.18
Max
30
0.4
10
-
2.0
2.0
V
V
μA
mA
μS
μS
Unit
Page 1
www.ohhall.com
Nanjing Ouzhuo Technology co., Ltd
Http://www.ohhall.com
wwww.zbling.com
Tel:
025-52312738,
83247886
Fax:
025-52312738 E-mail: ohhall@163.com ouzhuotec@163.com