A1425 Speed Sensor IC
Product Details
The A1425 AC-coupled Hall-effect sensor IC is a monolithic integrated circuit that switches in response to changing differential magnetic fields created by rotating ring magnets and, when coupled with a magnet, by ferrous targets. The device is a true zero-crossing detector: the output switches precisely when the difference in magnetic field strength between the two Hall elements is zero. A unique dual-comparator scheme provides for accurate switching at the zero crossing on both the positive and negative-going regions of the differential signal, while utilizing hysteresis to prevent false switching. The zero-crossing nature of this device provides excellent repeatability and accuracy for crankshaft applications.
- of ring magnet or ferrous targets
- Integrated filter capacitor
- Wide operating temperature range
- Operation with magnetic input signal frequency from 20 Hz to 20 kHz
- Resistant to EMI
- Large effective air gaps
- 4.0 to 26.5 V supply operating range
- Output compatible with both TTL and CMOS logic families
- Reverse battery protection
- Resistant to mechanical and thermal stress
- Accurate true zero crossing switchpoint
- Country:Taiwan
- telephone:886-886 2 2655-0585
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A1425 High Accuracy Analog Speed Sensor IC with Integrated Filter Capacitor and Dual Zero-Crossing Output Signal |
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