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A1363LKTTN-2-T Datasheet(PDF) 2 Page - Allegro MicroSystems |
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A1363LKTTN-2-T Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 30 page Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC With Advanced Temperature Compensation And High Bandwidth (120 kHz) Analog Output A1363 2 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Selection Guide Part Number Packing1 Sensitivity Range2 (mV/G) A1363LKTTN-1-T 4000 pieces per 13-in. reel SENS_COARSE 00: 0.6 to 1.3 A1363LKTTN-2-T 4000 pieces per 13-in. reel SENS_COARSE 01: 1.3 to 2.9 A1363LKTTN-5-T 4000 pieces per 13-in. reel SENS_COARSE 10: 2.9 to 6.4 A1363LKTTN-10-T 4000 pieces per 13-in. reel SENS_COARSE 11: 6.4 to 14 1 Contact Allegro for additional packing options 2 Allegro recommends against changing Coarse Sensitivity settings when programming devices that will be used in production. Each A1363 has been Factory Temperature Compensated at a specific Sensitivity Range and changing coarse bits setting could cause sen- sitivity drift through temperature range ,ΔSensTC, to exceed specified limits.. output stage, and a proprietary, high bandwidth dynamic offset cancellation technique. These advances in Hall-effect technology work together to provide an industry leading sensing resolution at the full 120 kHz bandwidth. Broken ground wire detection as well as user-selectable output voltage clamps also are built into this device, for high reliability in automotive applications. Device parameters are specified across an extended ambient temperature range: –40°C to 150°C. The A1363 sensor IC is provided in an extremely thin case (1 mm thick), 4-pin SIP (single in-line package, suffix KT) that is lead (Pb) free, with 100% matte tin lead frame plating. • Open circuit detection on ground pin (broken wire) • Undervoltage lockout for VCC below specification • Selectable sensitivity range between 0.6 and 14 mV/G through use of coarse sensitivity programming bits • Ratiometric sensitivity, quiescent voltage output, and clamps for interfacing with application A-to-D converter (ADC) • Precise recoverability after temperature cycling • Output voltage clamps provide short circuit diagnostic capabilities • Wide ambient temperature range: –40°C to 150°C • Immune to mechanical stress • Extremely thin package: 1 mm case thickness • AEC Q-100 automotive qualified Features and Benefits (continued) Description (continued) Table of Contents Specifications 2 Pin-out Diagram and Terminal List 3 Thermal Characteristics 4 Characteristic Performance Data 9 Characteristic Definitions 13 Functional Description 18 Programming Sensitivity and Quiescent Voltage Output 18 Coarse Sensitivity 18 Memory Locking Mechanisms 18 Power-On Reset (POR) and Undervoltage Lock-Out (UVLO) Operation 19 Detecting Broken Ground Wire 20 Chopper Stabilization Technique 21 Programming Serial Interface 22 Transaction Types 22 Writing the Access Code 22 Writing to Volatile Memory 22 Writing to EEPROM 23 Reading from EEPROM or Volatile Memory 23 Error Checking 23 Serial Interface Reference 24 Serial Interface Message Structure 25 VCC Levels During Manchester Communication 25 EEPROM Cell Organization 27 EEPROM Error Checking and Correction (ECC) 28 Detecting ECC Error 28 Package Drawing 29 |
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