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SS40AEUA 数据表(PDF) 1 Page - SEC Electronics Inc. |
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SS40AEUA 数据表(HTML) 1 Page - SEC Electronics Inc. |
1 / 7 page SS40A CMOS Omnipolar High Sensitivity Micropower Hall Switch Packages Features and Benefits 1. Operation down to 2.5V 2. Wide operating voltage range 3. High sensitivity for direct reed switch replacement applications 4. Omnipolar, output switches with absolute 5. value of North or South pole from magnet 6. Temperature compensation 7. Open-Collector pre-driver 8. 60V maximum withstand voltage 9. Reverse polarity protection 3 pin SIP (suffix UA) 10. Package: TO-92S(SIP) Functional Block Diagram Application Examples 1. Brush-less DC Motor 2. Brush-less DC Fan 3. Revolution counting 4. Speed measurement General Description: The SS40A 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 circuit design provides an internally controlled clocking mechanism to cycle power to the Hall element and analog signal processing circuits. This serves to place the high current-consuming portions of the circuit into a “Sleep” mode. Periodically the device is “Awakened” by this internal logic and the magnetic flux from the Hall element is evaluated against the predefined thresholds. If the flux density is above or below the BOP/BRP thresholds then the output transistor is driven to change states accordingly. While in the “Sleep” cycle the output transistor is latched in its previous state. The design has been optimized for service in applications requiring extended operating lifetime in battery powered systems. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. The output transistor of the SS40A 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 V1.10 May 1, 2011 |
类似零件编号 - SS40AEUA |
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类似说明 - SS40AEUA |
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