Datasheet

NANJING AH ELECTRONIC SCIENCE ＆ TECHNOLOGY CO.,LTD
ADD：Room901, BLDG 1, Cheng Kai Mansion,198, HongWu Road, Nanjing, 210002
TEL：[phone] FAX：[phone]
E-mail：[e-mail] Web: www.ahest.com
Parameter
Symbol
Test condition
Value
Min.
Typ.
Max.
Operating point
Magnetic strength
S pole faces the
product mark
B
OPS
V
CC1
= V
CC2
=2.75V
I
O
= 1 mA
—
3.5
7
N pole faces the
product mark
B
OPN
－7
-3.5
—
Release Point
magnetic strength
S pole faces the
product mark
B
RPS
1
2.5
—
N pole faces the
product mark
B
RPN
—
-2.5
－1
Hysteresis
︱B
OPX
－B
RPX
︱
B
HX
—
1
6
Note1： Unit is mT,1mT (mT）=10（Gs）
Note 2: Pole S is vertical to the mark surface of the product, the field defined into B＞0。
Note3: The operating field of M type (SOT23-3L) is subject to pole “N”.
 Block Diagram
◆ Magnetic Characteristic
Hall Effect
Element
Output stage
Vcc
GND
Vo
Voltage Regulator
Sleep/awake control
Temp. compensation
Differential
Amplifier
Schmitt
Trigger
Logic
Control