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AH373 Datasheet(PDF) 1 Page - Anachip Corp |
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AH373 Datasheet(HTML) 1 Page - Anachip Corp |
1 / 6 page AH373 Internal Pull-up Hall Effect Latch This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 0.0 Jan 31, 2005 1/6 Features - Bipolar Hall effect latch sensor - 2.2V to 20V DC operation voltage - Built-in pull-up resistor - 25mA output sink current - Operating temperature: C 125 ~ C 40 ° + ° − - Package: SIP3, SOT23 Applications - Rotor position sensing - Current switch - Encoder - RPM detection Pin Assignment 373 1 2 : GND 3 : OUT 23 373 1 2 3 1 : VCC (Top view) (SIP3 package) ( SOT23 package) General Description AH373 is a single-digital-output Hall-effect 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 (Rpu). An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. While the magnetic flux density (B) is larger than operate point (Bop), the OUT pin turns on (low). If B moves toward release point (Brp), the OUT pin is latched “on” state prior to B < Brp. When B < Brp, the OUT pin go into “ off ” state. Pin Descriptions Name Description VCC Positive Power Supply GND Ground OUT Output Pin Ordering Information AH373 X - X X X Packing Blank : Tube or Bulk A : Tape & Reel P: SIP-3L W: SOT23-3L Package Lead L : Lead Free Blank: Normal Wafer Body Blank or A~Z : if necessary to specify |
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