Rated working voltage 2.4V ~ 5.5V,
Work under Omnipolar, the excitation field regardless of N or S pole, high magnetic sensitivity, highly symmetric of positive and negative magnetic switching points;
Built-in dynamic offset voltage compensation circuit, high temperature stability, small drift switching point, resistance to mechanical stress and thermal stress;
Ultra small power consumption, it’s only 8μW when the power supply is 2.75V
Products meet the EU RoHS instruction 2011/65 / EU and REACH regulations 1907/2006 / EU requirements.
AH3663 is an Omnipolar micro-power high sensitivity Hall effect sensor, special designed circuit make it owns omnipolar(regardless S pole or N pole) magnetic field excitation function, excellent symmetry of the positive and negative magnetic switch, and very small average current consumption characteristics.
The sensor chip integrated with voltage regulator, Hall effect voltage generator, dynamic offset compensated, temperature compensator, wake / sleep controller, differential amplifier, Schmitt trigger, logic controller, as well as open-drain output driver and other circuit unit.
Hall Effect Current Sensor Sleep cycle
The product chip is with built-in awake/sleep clock control circuit, its awake/sleep cycle time is shown as the figure：
Hall Effect Current Sensor Limit Parameter
Admitting power loss
Under human being mode, it’s larger than ±6kV (Electrostatic pressure resistance)
Hall Effect Current Sensor Operating Condition
Output low level
VCC1= VCC2=2.75V， IO=1mA， B≥BOP
Awake supply current
Awake，VCC1=2.75V，Vo Open circuit
Sleep supply current
Sleep，VCC1=2.75V，Vo Open circuit
VCC1=2.75V，Vo Open circuit
VCC1= 4V，RL=200kΩ，VoOpen circuit
VCC1= 4V，RL=200kΩ，VoOpen circuit
Test condition：VCC1 = VCC2 =2.75V，IO = 1 mA
S Pole Operating Point
N Pole Operating Point
Spole Release Point
Npole Release Point
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。
TO-92UA/TO-92S（UA type）package figure（Unit: mm）
Note: In the package outline figure, Pin 1 is Vcc, Pin 2 is GND, Pin 3 is output
Mark XX or AHXX means abbreviated parts No., the second line XXXX means product lot No.
a) M Type: It faces product mark, and two pins are downward, towards the left, clockwise, the pin No. is 1、2、3 in turn.
Hall impact sensors are magnetic components that convert magnetically encoded details-- such as position, range, and rate-- to ensure that electronic circuits can process it. They are normally classified based upon their manner of output or means of procedure.
A sensor is specified as a detector that gauges the amount of a signal or stimulation and then transforms it into an electric signal. Instances of sensor stimuli include temperature level, moisture, pressure, pressure, chemicals and also gases. A regular sensor output signal is measured as a voltage, existing or electric cost. For instance, a temperature level sensor detects variant in temperature level expressed as an adjustment in voltage.
Hall Result sensor are frequently made use of in the auto market and also can be discovered on most lorries to gauge the setting of the crankshaft or camshaft. These sensors work with the concept that an electrical existing circulations via a detector activating a magnetic field to push the electric cost onto the opposite end of the conductor, a process that is referred to as a pulse. By measuring the variety of pulses, the rate of a lorry can be determined.
Production of an output voltage signal independent of the rate of the discovered area.
Hall Result sensors are not influenced by ambient conditions, such as dirt, moisture, and vibrations and also are aloof to some ambient conditions based upon the principle that these sensor show a constant flow of electric existing, making their attributes continuous gradually.
Hall Effect sensors do not have contact with neighboring mechanical components, making these sensor strong as well as sensitive enough to find activity. These sensors do not put on in time hence maintain top quality as well as unlimited use.
Hall Impact sensor are developed from semiconductor materials that display reduced service provider thickness, for this reason conductivity is smaller as well as their voltage is bigger.
Hall Impact sensors depend on carrier flexibility, which eliminates any type of perturbations due to surface elements, and also therefore these conductors reproducible and extremely dependable.
High-speed operation is feasible.
Hall sensors can gauge zero speed.
Hall sensor work over a wide temperature variety, provide very repeatable operation, and also can gauging a huge existing.
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