The A1421/2/3 family offers high-precision motion sensing of ring magnets or ferrous targets, with an integrated filter capacitor for simplified design and improved reliability. These AC-coupled sensors provide excellent repeatability and accuracy, making them ideal for automotive transmission and crankshaft speed sensing.
Product Details
Product Details
Top 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 true zero crossing switchpoint (A1421 only)
- High vibration immunity, in running mode (A1423 only)
Target Application
