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AH373-PL-B Datasheet(PDF) 1 Page - Diodes Incorporated |
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AH373-PL-B Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 9 page AH373 INTERNAL PULL-UP HALL EFFECT LATCH AH373 Document number: DS31173 Rev. 6 - 2 1 of 9 www.diodes.com July 2010 © Diodes Incorporated Description AH373 is a single-digital-output Hall-Effect latch sensor with pull-up resistor for high temperature operation. The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier to amplify Hall voltage, and a comparator to provide switching hysteresis for noise rejection, and an output driver with a pull-up resistor. An internal band- gap regulator provides a temperature compensated supply voltage for internal circuits and allows a wide operating supply range. When the magnetic flux density (B) is larger than operate point (Bop), output is switched on (OUT pin is pulled low). The output state is held on until a magnetic flux density reversal falls below Brp. When B is less than Brp, the output is switched off. The AH373 is available in SIP-3L and SC59 packages. Features • Bipolar Hall-Effect latch sensor • 2.2V to 20V DC operating voltage • Built-in pull-up resistor • 25mA output sink current • Operating temperature: -40°C ~ +125°C • SIP-3L and SC59 packages (SC59 is commonly known as SOT23 in Asia) • Green Molding Compound (No Br, Sb) (Note 1) Pin Assignments (Top View) 1. Vdd 2. GND 3. OUT SIP-3L 1. Vdd GND 2. 3. OUT (Top View) SC59 Applications • Rotor Position Sensing • Current Switch • Encoder • RPM Detection Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. Typical Application Circuit M Driver & Control Logic Ia Ib Ic IA IC IB HB HA HC M: Three Phase Hall Motor Digital Hall Effect Sensor Hall Motor Driver RPM sensing 3 Phase Hall Motor |
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Similar Description - AH373-PL-B |
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