Details, datasheet, quote on part number: A3362ELT
Description2-WIRE,chopper-stabilized,hall-effect Latch Switch
CompanyAllegro Micro Systems, Inc.
DatasheetDownload A3362ELT datasheet
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Features, Applications

The A3361x and A3362x Hall-effect switches are extremely temperature-stable and stress-resistant sensors. Superior performance over temperature is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress. The two devices differ only in output polarity; the A3361x output current goes low in the presence of a south pole of sufficient strength; the A3362x output current goes high. Each device includes on a single silicon chip a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a constant-current open-collector output. An on-board regulator permits operation with supply voltages to 24 volts. Noise radiation is limited by control of the output current slew rate. Three package styles provide a magnetically optimized package for most applications. Suffix `xLH' is a miniature SOT23W low-profile surface-mount package, `xLT' is a miniature SOT89/TO-243AA transistor package for surface-mount applications; while suffix `xUA' is a three-lead ultra-mini-SIP for through-hole mounting.

Pinning is shown viewed from branded side.

Supply Voltage, VCC........................ 26.5 V Reverse Battery Voltage, VRCC.......... -16 V Magnetic Flux Density, B........... Unlimited Package Power Dissipation, PD. See Graph Junction Temperature, TJ............... +170°C Operating Temperature Range, TA............................... to +85°C Storage Temperature Range, TS.............................. to +170°C Always order by complete part number: the prefix 'A' + the basic four-digit part number + a suffix to indicate operating temperature range (E) + a two-letter suffix to indicate package style, e.g., A3361ELH.

s Internal Current Regulator for 2-Wire Operation s Resistant to Physical Stress s Superior Temperature Stability s Operation From Unregulated Supply s Solid-State Reliability s Small Size

115 Northeast Cutoff, Box 15036 Worcester, Massachusetts (508) 853-5000 Copyright © 2002 Allegro MicroSystems, Inc.

ELECTRICAL CHARACTERISTICS over operating temperature range.

Limits Characteristic Supply Voltage Output Current Symbol VCC IGND(L) IGND(H) Chopping Frequency Output Settling Time Output Rise Time Output Fall Time Reverse Battery Current fC tsd tr tf ICC 20 pF VRCC -16 V Test Conditions Operating Output Current Low Output Current High Min. Typ. Max. Units V mA kHz µs mA

NOTE: Typical Data = +25°C and VCC 12 V and is for design information only.
A3361 MAGNETIC CHARACTERISTICS over operating supply voltage and temperature ranges.

Limits Characteristic Operate Point Release Point Hysteresis Symbol BOP BRP Bhys Test Conditions B > BOP, IGND = LOW B < BRP, IGND = HIGH BOP - BRP Min. 40 5.0 Typ. ­ Max. ­ 30 Units G

A3362 MAGNETIC CHARACTERISTICS over operating supply voltage and temperature ranges.

Limits Characteristic Operate Point Release Point Hysteresis Symbol BOP BRP Bhys Test Conditions B > BOP, IGND = HIGH B < BRP, IGND = LOW BOP - BRP Min. 40 5.0 Typ. ­ Max. ­ 30 Units G

NOTE: 1 gauss is exactly equal to 0.1 millitesla (mt)..


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