AS1805OD Omnipolar Detection High Performance Hall-Effect Sensor IC
●Using CMOS process, the AS1805OD is designed for high performance omnipolar detection hall-effect application, such as cover switch, contactless switch, solid state switch and lid close sensor etc battery operation. The hall IC integrated an on-chip hall voltage generator for magnetic sensing, a comparator that amplifiers the hall voltage, a Chopper amplifier, a Schmitt trigger to provide switching hysteresis for noise rejection, and a complementary output.
●AS1805OD is designed to respond to alternating North and South poles. When the magnetic flux density (B) is larger than operate point (BOP), the output will be turned on (low), the output is held until the magnetic flux density (B) is lower than release point (BRP), then turn off (high).
●The device is available in SOT23-3L & SIP-3L Package and is rated over the -40°C to 125°C. The all packages are RoHS and Green compliant.
■Features
●Input Voltage Range : 2.5V to 5.5V
●Micro-power consumption ideal for battery power applications
●Omnipolar Operation, easy to use as output
●Very high sensitivity hall sensor
●CMOS process technology
●Chopper stabilization amplifier stage
●Magnetic Sensitivity (typical) BOP=±35Gauss, BRP=±32Gauss
●Good RF noise immunity
●OD Output (need pull-up resistor)
●Small Solution Size
●RoHS & Green Compliant
●SOT23-3L & SIP-3L Packages
●-40°C to +125 °C Temperature Range
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AS1805OD 、 AS1805ODXXX 、 AS1805ODSTRN 、 AS1805ODMBN 、 AS1805ODSTRY 、 AS1805ODMBY |
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Omnipolar Detection High Performance Hall-Effect Sensor IC 、 Magnetic Sensor ICs |
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[ omnipolar detection hall-effect application ][ solid state switch ][ Smart Meter ][ Cover switch ][ Contact-less switch ] |
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Datasheet |
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Please see the document for details |
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SOT23-3L;SIP-3L |
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English Chinese Chinese and English Japanese |
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15, Jan. 2022 |
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Version 1.0 |
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311 KB |
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