AT42QT1481-AUR, Capacitive Touch Sensors QMatrix FMEA 48 Key Sensor IC
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Описание
Sensors\Capacitive Touch Sensors
AT42QT1481 Capacitive Touch ControllerMicrochip 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.
Технические параметры
| Brand: | Microchip Technology |
| Factory Pack Quantity: Factory Pack Quantity: | 2000 |
| Interface Type: | SPI, UART |
| Manufacturer: | Microchip |
| Moisture Sensitive: | Yes |
| Number of Channels: | 48 Channel |
| Operating Supply Voltage: | 4.75 V to 5.25 V |
| Package / Case: | TQFP-44 |
| Packaging: | Reel, Cut Tape |
| 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 |
| Automotive | No |
| ECCN (US) | EAR99 |
| EU RoHS | Compliant |
| Interface Type | SPI/UART |
| Lead Shape | Gull-wing |
| Maximum Load Capacitance (pF) | 20 |
| Maximum Low Level Output Voltage (V) | 0.6 |
| Maximum Operating Supply Voltage (V) | 5.25 |
| Maximum Operating Temperature (°C) | 105 |
| Minimum High Level Output Voltage (V) | 4.2 |
| Minimum Operating Supply Voltage (V) | 4.75 |
| Minimum Operating Temperature (°C) | -40 |
| Mounting | Surface Mount |
| Number of Channels per Chip | 48 |
| Number of Keys | 48 Key |
| Packaging | Tape and Reel |
| Part Status | Active |
| PCB changed | 44 |
| Pin Count | 44 |
| PPAP | No |
| Resolution (bit) | 9 |
| Spread Spectrum | No |
| Standard Package Name | QFP |
| Supplier Package | TQFP |
| Touch Panel Interface | 1-Wire |
| Type | Capacitive |
| Вес, г | 8 |
Техническая документация
Дополнительная информация
Калькуляторы группы «Контроллеры Capacitive Touch, Proximity»
Типы корпусов импортных микросхем
