MLX90254LVA-BBA-000-BU Melexis

MLX90254 Differential Dynamic Hall Effect Sensor Features and Benefits Differential Hall sensor Low consumption Excellent repeatability performance Large airgap range Large supply voltage range Distance between Hall plates : 2.25 mm Applications Crankshaft sensor Speed sensor Ordering Code Product Code Temperature Code Package Code Option Code Packing Form Code MLX90254 L VA BBA-000 BU Legend: Temperature Code: L for Temperature Range -40C to 150C Package Code: VA for Plastic single in line Packing Form: BU for Bulk Ordering example: MLX90254LVA-BBA-000-BU 3901090254 Page 1 of 10 Datasheet Rev. 006 Feb/12 MLX90254 Differential Dynamic Hall Effect Sensor 1. Functional Diagram 2 Voltage Regulator 4 Filter S . ( B1 - B2 ) Filter 3 Pin 1 Not used Pin 2 Vdd (Supply) Pin 3 Vss (Ground) Pin 4 - Output 2. Description The MLX90254 is a Differential Dynamic Hall Effect Sensor which has been developed for automotive crankshaft and ABS (anti-lock brake system) applications. The IC, combined with a magnet placed at his back, offers speed and position sensing of ferromagnetic tooth-wheels in dynamic operation (non zero speed). Its low hysteresis enables it to operate over a wide range of air gaps from -40C to 150C. The use of two Hall cells makes the operation sensitive to a rotation of the IC around its normal axis. The output structure is an Open-Drain NMOS transistor with a capability of 25 mA under 24V and protected against short-circuits. The IC is packaged in 4-SIP VA. 3901090254 Page 2 of 10 Datasheet Rev. 006 Feb/12