| PartNumber | AT42QT1245-AU | AT42QT1245-MU | AT42QT1245-AUR |
| Description | Capacitive Touch Sensors 8KB 512B 1KB FMEA 24 Key | Capacitive Touch Sensors 8KB 512B 1KB FMEA 24 Key | IC TOUCH SENSOR 24KEY 32TQFP |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | Capacitive Touch Sensors | Capacitive Touch Sensors | Capacitive Touch Sensors, Proximity Sensor ICs |
| RoHS | Y | Y | - |
| Sensor Type | Button | Button | Button |
| Number of Channels | 24 Channel | 24 Channel | 24 Channel |
| Interface Type | SPI | SPI | SPI |
| Package / Case | TQFP-32 | VQFN-32 | - |
| Packaging | Tray | Tray | Digi-ReelR Alternate Packaging |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Touch Sensors | Touch Sensors | - |
| Factory Pack Quantity | 250 | 490 | - |
| Subcategory | Sensors | Sensors | - |
| Series | - | - | QMatrix |
| Type | - | - | Buttons |
| Package Case | - | - | 32-TQFP |
| Operating Temperature | - | - | -40°C ~ 105°C |
| Interface | - | - | SPI |
| Voltage Supply | - | - | 3 V ~ 5 V |
| Supplier Device Package | - | - | 32-TQFP (7x7) |
| Current Supply | - | - | 6.6mA |
| Number of Inputs | - | - | |
| Proximity Detection | - | - | No |
| LED Driver Channels | - | - | - |
| Resolution | - | - | 10 b |