Description
The A1421, A1422, and A1423 are AC-coupled Hall-effect sensor ICs which include monolithic integrated circuits that switch in response to changing differential magnetic fields created by rotating ring magnets or, when coupled with a magnet, by ferrous targets.
Features
- Integrated tracking capacitor.
- Used for sensing motion of ring magnet or ferrous targets.
- Wide operating temperature range.
- Operation with magnetic input signal frequency from
20 Hz to 30 kHz.
- EMI/ESD-resistant.
- Large effective air gaps.
- 4.0 to 26.5 V supply operating range.
- Output compatible with CMOS logic families.
- Reverse battery protection.
- Resistant to mechanical and thermal stress.
- Accurate.
A1421 Datasheet
