| Parameters | 
                                                                                                                        
                                                | Mfr | Silicon Labs | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Not For New Designs | 
                                                                                    
                                                | Type | Buttons | 
                                                                                    
                                                | Proximity Detection | Yes | 
                                                                                    
                                                | Number of Inputs | Up to 7 | 
                                                                                    
                                                | LED Driver Channels | Up to 7 | 
                                                                                    
                                                | Interface | Open Drain, Push-Pull | 
                                                                                    
                                                | Resolution | - | 
                                                                                    
                                                | Voltage - Supply | 1.8V ~ 3.6V | 
                                                                                    
                                                | Current - Supply | 3.1mA | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 20-UFQFN Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 20-QFN (3x3) | 
                                                                                    
                                                | Base Product Number | CPT007 | 
                                                                                    
                                                | RoHS Status | RoHS Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1,500 | 
                                                                                                                
                                
                             
                                                Capacitive Touch Buttons 20-QFN (3x3)