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Fully optimized differential digital gear tooth sensor
Single chip sensing IC for high reliability
Internal current regulator for 2-wire operation
Vibration immunity
Small mechanical size (8 mm dia x 5.5 mm length)
Air gap independent switch-points
Digital output representing gear profile
Precise duty cycle over temperature
Large operating air gaps
<2 ms power up time
AGC and reference adjust circuit
True zero-speed operation
Under-voltage lockout
Wide operating voltage range
Defined power-on state
ATS643LSH General Description
Self-Calibrating, Zero-Speed Differential GTS with Continuous Update
ATS643LSH Maximum Ratings
Supply Voltage, VCC ..................See Power Derating Reverse-Supply Voltage, VRCC ........................18 V Operating Temperature Ambient, TA................................ 40ºC to 150ºC Maximum Junction, TJ(max) ........................165ºC Storage Temperature, TS .............. 65ºC to 170ºC
ATS643LSH Features
Fully optimized differential digital gear tooth sensor