APX9131
Function Pin Descriptions
No
Name
Function
Power Input
1
VDD
When a magnetic field enters the hall element and exceeds the operate point
OPS
B
OPN
(or less than B ) the output turns on (output is low). When the magnetic
RPS
RPN
field is below the release point B
(or above B ), the output turns off (output
2
3
VOUT
GND
is high). It is design with open drain configuration and connecting a pull up
OUT
DD
.
resistor from V
to V is necessary It cannot be floating.
Ground Connection
Block Diagram
VDD
Awake & Sleep
Timing Logic
VOUT
Hall Plane
Latch
Circuit
Chopper
Amplifier
Hysteresis
Control
GND
Typical Applications
50KW
VOUT
VDD
+
2.5V-3.5V
APX9131
0.1uF
-
GND
SOT-23 (Top View)
Copyright ã ANPEC Electronics Corp.
2
www.anpec.com.tw
Rev. A.7 - Sep., 2005
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
