General Description
Using CMOS process, the AS1834C is designed
for high performance omnipolar detection hall-effect
application, such as cover switch, contactless switch,
solid state switch and lid close sensor etc battery
operation. The hall IC integrated an on-chip hall
voltage generator for magnetic sensing, a comparator
that amplifiers the hall voltage, a Chopper amplifier, a
Schmitt trigger to provide switching hysteresis for noise
rejection, and a complementary output.
Features
Input Voltage Range : 2.5V to 5.5V
Omnipolar Operation, easy to use as output
Very high sensitivity hall sensor
CMOS process technology
Chopper stabilization amplifier stage
Magnetic Sensitivity (typical)
B
OP
=±35Gauss, B
RP
=±32Gauss
Good RF noise immunity
No need pull-up resistor
Small Solution Size
RoHS & Green Compliant
SOT23-3L, SOT23-5L, SOT553 and SIP-3L
Packages
-40℃ to +125 ℃ Temperature Range
Applications
Smart Meter
Cover switch
Contact-less switch
