| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        National Semiconductor | 
                                    
                                                                        
                                        | Series | 
                                        LM4548 | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Type | 
                                        AC' 97, Stereo Audio | 
                                    
                                                                        
                                        | Data Interface | 
                                        AC'97, Serial | 
                                    
                                                                        
                                        | Resolution (Bits) | 
                                        18 b | 
                                    
                                                                        
                                        | Number of ADCs / DACs | 
                                        2 / 2 | 
                                    
                                                                        
                                        | Sigma Delta | 
                                        Yes | 
                                    
                                                                        
                                        | S/N Ratio, ADCs / DACs (db) Typ | 
                                        - | 
                                    
                                                                        
                                        | Dynamic Range, ADCs / DACs (db) Typ | 
                                        90 / 89 | 
                                    
                                                                        
                                        | Voltage - Supply, Analog | 
                                        4.2V ~ 5.5V | 
                                    
                                                                        
                                        | Voltage - Supply, Digital | 
                                        4.2V ~ 5.5V | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 85°C (TA) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Package / Case | 
                                        48-LQFP | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        48-LQFP (7x7) | 
                                    
                                                                        
                                        | RoHS Status | 
                                        RoHS non-compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        2A  (4 Weeks) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Affected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.39.0001 | 
                                    
                                                                        
                                        | Standard Package | 
                                        1 | 
                                    
                                                                                                        
                            
                         
                                                AC' 97, Stereo Audio Interface 18 b AC'97, Serial 48-LQFP (7x7)