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データシートサーチシステム |
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KMZ52 データシート(PDF) 2 Page - NXP Semiconductors |
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KMZ52 データシート(HTML) 2 Page - NXP Semiconductors |
2 / 12 page ![]() 2000 Jun 09 2 Philips Semiconductors Product specification Magnetic Field Sensor KMZ52 FEATURES • High sensitivity • Integrated compensation coil • Integrated set/reset coil. APPLICATIONS • Navigation • Current and earth magnetic field measurement • Traffic detection. DESCRIPTION The KMZ52 is an extremely sensitive magnetic field sensor, employing the magnetoresistive effect of thin-film permalloy. The sensor contains two magnetoresistive Wheatstone bridges physically offset from one another by 90 ° and integrated compensation and set/reset coils. The integrated compensation coils allow magnetic field measurement with current feedback loops to generate outputs that are independent of drift in sensitivity. The orientation of sensitivity may be set or changed (flipped) by means of the integrated set/reset coils. A short current pulse should be applied to the compensation coils to recover (set) the sensor after exposure to strong disturbing magnetic fields. A negative current pulse will reset the sensor to reversed sensitivity. By use of periodically alternated flipping pulses and a lock-in amplifier, the output is made independent of sensor and amplifier offset. PINNING SYMBOL PIN DESCRIPTION +Iflip2 1 flip coil VCC2 2 bridge supply voltage GND2 3 ground +Icomp2 4 compensation coil GND1 5 ground +Icomp1 6 compensation coil −I comp1 7 compensation coil −VO1 8 bridge output voltage +VO1 9 bridge output voltage −Iflip1 10 flip coil +Iflip1 11 flip coil VCC1 12 bridge supply voltage −I comp2 13 compensation coil −V O2 14 bridge output voltage +VO2 15 bridge output voltage −I flip2 16 flip coil handbook, halfpage 16 1 9 8 pin 1 index MBL201 Fig.1 Simplified outline SOT109-1. |
同様の部品番号 - KMZ52 |
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同様の説明 - KMZ52 |
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