A19250 High Accuracy GMR Wheel Speed Sensor IC

PublishTime：2021-07-14

●The A19250 is a giant magnetoresistance (GMR) integrated circuit (IC) that provides a user-friendly two-wire solution for applications where speed information is required. The small integrated package includes an integrated capacitor and GMR IC in a single overmold design with an additional molded lead-stabilizing bar for robust shipping and ease of assembly.
●The GMR-based IC is designed for use in conjunction with front -biased ring magnet encoders. State-of-the-art GMR technology with industry-leading signal processing algorithms accurately switch in response to low-level differential magnetic signals. The high sensitivity ofGMR combined with differential sensing offers inherent rejection of interfering common-mode magnetic fields, low jitter, and liigh pitch accuracy, commonly required in wheel speed sensing applications.
●Patented GMR technology allows the same orientation as Hall-effect for a drop-in solution in the application.
●Integrated diagnostics are used to detect an IC failure which impacts the output protocoFs accuracy, providing coverage compatible with ASIL B(D) compliance. Built-in EEPROM scratch memory offers traceability of the device throughout the IC's production process.
●The IC is offered in the UB package, which integrates the IC and a high-temperature ceramic capacitor in a single overmold SIP package for enlianced EMC performance. The 2-pin SIP package is lead (Pb) free, with tin leadframe plating.
●FEATURES AND BENEFITS：
■GMR technology integrates high sensitivity MR (magnetoresistive) sensor elements and high precision BiCMOS circuits on a single silicon integrated circuit, offering high accuracy, low magnetic field operation
■Integrated capacitor in a single overmolded miniature package provides greater EMC robustness
■SolidSpeed Digital Architecture supports advanced digital processing providing highly accurate edge performance in the presence of extreme system-level disturbances
■Compatible orientation for Hall replacement
ASIL B(D) rating based on integrated diagnostics and certified safety design process
■Two-wire current source output supporting speed and ASIL
■EEPROM offers device traceability throughout the production process

Brand of Product：	ALLEGRO
Part#：	A19250 、 A19250LUBATN 、 A19250LUBATN-A 、 A19250LTN-□ More Part#
Product Category：	High Accuracy GMR Wheel Speed Sensor IC More
Application：	More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	SIP
Language：	English Chinese Chinese and English Japanese
Date of Creation：	December 15, 2020
Version Number：	Rev. 2
Data Encoding：	A19250-DS
Data Size：	1.2 MB

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Integrated Circuits