SEC全极霍尔效应传感IC SS3313使用手册.pdf

SS3313 CMOS Omnipolar High Sensitivity Micropower Hall Switch Features Applications − Solid-State Reliability much better than reed − Solid state switch switch − Speed detection − Omnipolar, output switches with absolute value − Interrupter of North or South pole from magnet − Magnet proximity sensor for reed switch re- − Wide operating voltage range from 3.5V to 24V placement − High sensitivity for direct reed switch replace- ment applications 3 pin SOT23 (suffix SO) 3 pin SIP (suffix UA) General Description The SS3313 Omnipolar Hall effect sensor IC is fab- The chopper stabilized amplifier uses switched capac- ricated from mixed signal CMOS technology .It in- itor techniques to eliminate the amplifier offset volt- corporates advanced chopper-stabilization techniques age, which, in bipolar devices, is a major source of to provide accurate and stable magnetic switch points. temperature sensitive drift. CMOS makes this ad- The output transistor of the SS3313 will be latched on vanced technique possible. The CMOS chip is also (BOP) in the presence of a sufficiently strong South or much smaller than a bipolar chip, allowing very so- North magnetic field facing the marked side of the phisticated circuitry to be placed in less space. The package. The output will be latched off (BRP) in the small chip size also contributes to