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AT42QT1481-AU, Capacitive Touch Buttons 44-TQFP (10x10)
Integrated Circuits (ICs)\InterfaceAT42QT1481 Capacitive Touch Controller
Microchip Technology AT42QT1481 Capacitive Touch Controller is a digital burst mode sensor, designed specifically for QMatrix layout touch controls. The Microchip QMatrix sensing algorithm (mutual capacitance) enables the designers to achieve more buttons than there are pins because of this matrix layout. The AT42QT1481 allows a wide range of key sizes and shapes to be mixed together in a single touch panel. The AT42QT1481 is designed for use with up to 48 keys. The device includes all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions and frequencies. Only a few external parts are required for operation.
| Brand | Microchip Technology |
| Dimensions | 10 mm x 10 mm |
| Factory Pack Quantity: Factory Pack Quantity | 160 |
| Interface Type | SPI, UART |
| Manufacturer | Microchip |
| Maximum Operating Temperature | +105 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of Channels | 48 Channel |
| Operating Supply Voltage | 4.75 V to 5.25 V |
| Package / Case | TQFP-44 |
| Packaging | Tray |
| Product Category | Capacitive Touch Sensors |
| Product Type | Touch Sensors |
| Sensor Type | Button |
| Series | AT42QT1481 |
| Subcategory | Sensors |
| Supply Voltage - Max | 5.25 V |
| Supply Voltage - Min | 4.75 V |
| Termination Style | SMD/SMT |
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