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IQS232-00000SOR Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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IQS232-00000SOR Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 34 page IQ Switch® ProxSense® Series Contents List of Figures 3 List of Tables 3 Revision History 3 List of Symbols 4 1 Functional Overview 5 1.1 Pin Outs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Analogue Functionality 6 3 Digital Functionality 6 4 Reference Design 7 4.1 Power Supply and PCB Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.2 Design Rules for Harsh EMC Environments . . . . . . . . . . . . . . . . . . . . . . . 8 5 High Sensitivity 9 6 User Configurable Options 9 6.1 Configuring of Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Description of User Options 15 7.1 ATI Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.2 Touch Base Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.3 Touch Thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.4 Proximity Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.5 Halt time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.6 Proximity Base Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.7 Sensitivity Multipliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.8 Base Multipliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.9 Base Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.10 Charge Transfer Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.11 Streaming mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.12 Noise Detect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.13 Low Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7.14 Guard Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.15 Output Logic Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.16 ATI Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.17 ATI Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8 Charge Transfers 20 9 Auto Tuning Implementation 21 9.1 Full ATI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 9.2 Partial ATI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 10 Specifications 23 Copyright © Azoteq IQS232 Prelimanary Datasheet V1.00 2of 33 |
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