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SS249

SEC
Part Number SS249
Manufacturer SEC
Description CMOS Omnipolar High Sensitivity Micropower Hall Switch
Published Nov 26, 2012
Detailed Description SS249 CMOS Omnipolar High Sensitivity Micropower Hall Switch Packages – Features and Benefits Solid-State Reliability ...
Datasheet PDF File SS249 PDF File

SS249
SS249

Overview
SS249 CMOS Omnipolar High Sensitivity Micropower Hall Switch Packages – Features and Benefits Solid-State Reliability much better than reed Switch – – – Omnipolar, output switches with absolute value of North or South pole from magnet Operation from 3.
5V to 24V High sensitivity for direct reed switch replacement applications 3 pin SOT23 (suffix SO) 3 pin SIP (suffix UA)     Functional Block Diagram Application Examples – – – www.
DataSheet.
net/ Solid state switch Speed detection Interrupter Magnet proximity sensor for reed switch replacement –     General Description: The SS249 Omnipolar Hall effect sensor IC is fabricated from mixed signal CMOS technology .
It incorporates advanced chopper-stabilization techniques to provide accurate and stable magnetic switch points.
The output transistor of the SS249 will be latched on (BOP) in the presence of a sufficiently strong South or North magnetic field facing the marked side of the package.
The output will be latched off (BRP) in the absence of a magnetic field.
  1 V2.
10 May 1, 2012 Datasheet pdf - http://www.
DataSheet4U.
co.
kr/ SS249 CMOS Omnipolar High Sensitivity Micropower Hall Switch Typical Application Circuit Typical Three-Wire Application Circuit Automotive and Severe Protection Circuit R1:100 C1 VDD R2 OUT C2 GND GND D1 Z1 C1 VDD R2 OUT C2 Environment SS249 SS249 SEC's pole-independent sensing technique allows for operation with either a north pole or south pole magnet orientation, enhancing the manufacturability of the device.
The state-of-the-art technology provides the same output polarity for either pole face.
It is strongly recommended that an external bypass be connected (in close proximity to the Hall sensor) between the supply and ground of the device to reduce both external noise and noise generated by the chopper-stabilization technique.
This is especially true due to the relatively high impedance of battery supplies.
Internal Timing Circuit   Current Period www.
DataSheet.
net/ Iaw ...


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