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AT42QT1040
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Rainbow Electronics AT42QT1040 User Manual
Qtouch, Features
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Rainbow Electronics AT42QT1040 User Manual | 18 pages
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Table of contents
Document Outline
Features
1. Pinout and Schematic
1.1 Pinout Configuration
1.2 Schematic
2. Overview of the AT42QT1040
2.1 Introduction
2.2 Signal Processing
2.2.1 Detect Threshold
2.2.2 Detection Integrator
2.2.3 Burst Length Limitations
2.2.4 Adjacent Key Suppression Technology
2.2.5 Auto Drift Compensation
2.2.6 Response Time
2.2.7 Spread Spectrum
2.2.8 Max On-duration
3. Wiring and Parts
3.1 Cs Sample Capacitors
3.2 Rs Resistors
3.3 LED Traces and Other Switching Signals
3.4 PCB Cleanliness
3.5 Power Supply
3.6 VQFN Package Restrictions
4. Detailed Operations
4.1 Adjacent Key Suppression
4.2 Discrete Outputs
4.3 Speed Selection
4.4 Calibration
4.5 Debug Mode
5. Specifications
5.1 Absolute Maximum Specifications
5.2 Recommended Operating Conditions
5.3 DC Specifications
5.4 Timing Specifications
5.5 Power Consumption
5.6 Mechanical Dimensions
5.7 Marking
5.8 Part Number
5.9 Moisture Sensitivity Level (MSL)
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