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AH375UPLA Datasheet(PDF) 1 Page - Anachip Corp |
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AH375UPLA Datasheet(HTML) 1 Page - Anachip Corp |
1 / 6 page AH375 Single Phase 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.1.3 Jan. 09, 2006 1/6 Features - 2.2V to 20V DC operation voltage - Temperature compensation - Wide operating voltage range - Open drain pre-driver - 25mA maximum sinking output current - Package: SIP3, SOT23 Applications - Brush-less DC Motor - Brush-less DC Fan - Revolution counting - Speed measurement General Description AH375 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a schmitt trigger to provide switching hysteresis for noise rejection, and open drain output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. If a magnetic flux density larger than threshold Bop, DO is turned on(low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high). Pin Assignments 375 1 2 : GND 3 : OUT 23 375 1 2 3 1 : Vdd (Top view) (SIP package) (SOT23 package) Pin Descriptions Name P/I/O Pin # Description Vdd P 1 Positive Power Supply GND P 2 Ground OUT O 3 Output Pin Ordering Information AH375 X - X X X Packing Blank : Bulk A : Tape & Reel P: SIP3 W: SOT23 Package Lead L : Lead Free Wafer Body Blank or A~Z : if necessary to specify |
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