| Part Number | AT42QT2640-AU | AT42QT2640-AUR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Interface - Sensor, Capacitive Touch | Interface - Sensor, Capacitive Touch | 
|   |   | |
| Product Status | Active | Active | 
| Type | Buttons, Slider, Wheel | Buttons, Slider, Wheel | 
| Proximity Detection | No | No | 
| Number of Inputs | Up to 64 | Up to 64 | 
| LED Driver Channels | - | - | 
| Interface | SPI | SPI | 
| Resolution | 11 b | 11 b | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Current - Supply | 13mA | 13mA | 
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-TQFP | 44-TQFP | 
| Supplier Device Package | 44-TQFP (10x10) | 44-TQFP (10x10) |