| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Silicon Labs | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Not For New Designs | 
                                            
                                                                                    
                                                | Type | 
                                                Buttons, Slider | 
                                            
                                                                                    
                                                | Proximity Detection | 
                                                Yes | 
                                            
                                                                                    
                                                | Number of Inputs | 
                                                Up to 12 | 
                                            
                                                                                    
                                                | LED Driver Channels | 
                                                - | 
                                            
                                                                                    
                                                | Interface | 
                                                I²C | 
                                            
                                                                                    
                                                | 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 | 
                                                CPT112 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                1  (Unlimited) | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                1,500 | 
                                            
                                                                                                                
                                
                             
                                                Capacitive Touch Buttons, Slider 20-QFN (3x3)