ATS642LSHTN-I1-T Allegro Microsystems Inc, ATS642LSHTN-I1-T Datasheet
ATS642LSHTN-I1-T
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ATS642LSHTN-I1-T Summary of contents
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Two-Wire True Zero Speed Miniature Differential These parts are in production but have been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The device should not ...
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Two-Wire True Zero Speed Miniature Differential Features and Benefits • Fully optimized differential digital gear tooth sensor IC • Single chip IC for high reliability • Internal current regulator for 2-wire operation • Small mechanical size (8 mm diameter x ...
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ATS645LSH Features and Benefits (continued) • True zero-speed operation • Undervoltage lockout • Wide operating voltage range • Defined power-on state Part Number ATS645LSHTN-I1-T Tape and Reel 13-in. 800 pcs./reel ATS645LSHTN-I2-T Tape and Reel 13-in. 800 pcs./reel * Contact Allegro ...
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ATS645LSH OPERATING CHARACTERISTICS using reference target 60-0, T CHARACTERISTIC Symbol ELECTRICAL CHARACTERISTICS Supply Voltage Undervoltage Lockout V CC(UV) Supply Zener Clamp Voltage V Supply Zener Current I I CC(Low) Supply Current I CC(High) I Supply Current Ratio ...
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ATS645LSH OPERATING CHARACTERISTICS (continued) using reference target 60-0, T Characteristic SWITCHPOINT CHARACTERISTICS Rotation Speed Analog Signal Bandwidth Operate Point Release Point CALIBRATION Initial Calibration DAC CHARACTERISTICS Allowable User-Induced Differential Offset 5 FUNCTIONAL CHARACTERISTICS Operational Air Gap Range 6 Maximum Operational ...
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ATS645LSH REFERENCE TARGET, 60-0 (60 Tooth Target) Characteristics Symbol Outside Diameter D o Face Width F Circular Tooth Length t Circular Valley Length t v Tooth Whole Depth h t Material Reference Gear Magnetic Gradient Amplitude With Reference to Air ...
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ATS645LSH Duty Cycle vs. Air Gap 100 RPM 0.5 1 1.5 Air Gap (mm) Duty Cycle vs. Air Gap 1000 RPM ...
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ATS645LSH THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information CHARACTERISTIC Package Thermal Resistance *Additional information is available on the Allegro Web site. True Zero Speed Miniature Differential Peak- Detecting Gear Tooth Sensor IC Symbol TEST CONDITIONS* Single-layer ...
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ATS645LSH Hall Technology The gear tooth sensor IC subassembly contains a single-chip differential Hall effect sensor IC, an optimized samarium cobalt pellet, and a fl at ferrous pole piece. The Hall IC supports two Hall elements, which sense the magnetic ...
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ATS645LSH Automatic Gain Control (AGC) This feature allows the device to operate with an optimal internal electrical signal, regardless of the air gap (within the AG speci- fi cation). During calibration, the device determines the peak-to- peak amplitude of the ...
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ATS645LSH Power Supply Protection The device contains an on-chip regulator and can operate over a wide V range. For devices that need to operate from an CC unregulated power supply, transient protection must be added externally. For applications using a ...
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ATS645LSH DEVICE OPERATION Each operating mode is described in detail below. Power-On When power (V > applied to the device, a short CC CCMIN period of time is required to power the various portions of the IC. ...
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ATS645LSH The device must be operated below the maximum junction temperature of the device Under certain combinations of J(max) peak conditions, reliable operation may require derating sup- plied power or improving the heat dissipation properties of the application. ...
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ATS645LSH F 0.75 8.00±0.05 5.80±0.05 E1 1.70±0.10 4.00±0.10 5.00±0. 24.65±0.10 13.10±0.10 A Copyright ©2004-2009, Allegro MicroSystems, Inc. The products described herein are manufactured under one or more of the following U.S. patents: 5,264,783; 5,389,889; 5,442,283; 5,517,112; 5,581,179; 5,619,137; ...