AH421 - High Sensitive Digital-Unipolar Hall Effect Sensor
Name VDD GND Vout Pin number 1 2 3 Description Power supply Ground Output Vinbelltech Limited Application example: VDD =5V A positive magnetic field is defined as a South pole near the marked side of the package.
OUT=Low OUT=High OUT=Low OUT=High TO92S （AH421） TO92S （AH421） SOT23（AH421）
AH421 High Sensitive Digital-Unipolar Hall Effect Sensor Vinbelltech Limited Introduction AH421, unipolar Hall effect switch, designed with Bipolar technology, is south sensitive unipolar Hall Effective switch and includes on-chip Hall element voltage generator, a voltage regulator for operation with supply voltages of 3.8 to 40V, reverse voltage protection, temperature compensation circuitry, small-signal amplifier, Schmitt trigger and an open-collector output.
The sensor is designed to resp
AH421 Features
* Miniature construction
* High sensitivity of 60/40 Gauss (typ.)
* Wide voltage range of 3.8 Vdc to 40 Vdc
* Temperature range of -40 °C to 125 °C
* Highest ESD performance up to ±4 kV
* Open Collector Output Applications
* BLDC Motor Commutation
* Flow sensor
