| Parameters | 
                                                                                                                        
                                                | Mfr | Allegro MicroSystems | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Motor Type - Stepper | Bipolar | 
                                                                                    
                                                | Motor Type - AC, DC | - | 
                                                                                    
                                                | Function | Driver - Fully Integrated, Control and Power Stage | 
                                                                                    
                                                | Output Configuration | Half Bridge (4) | 
                                                                                    
                                                | Interface | Serial | 
                                                                                    
                                                | Technology | DMOS | 
                                                                                    
                                                | Step Resolution | 1 ~ 1/64 | 
                                                                                    
                                                | Applications | General Purpose | 
                                                                                    
                                                | Current - Output | 1A | 
                                                                                    
                                                | Voltage - Supply | 4.5V ~ 5.5V | 
                                                                                    
                                                | Voltage - Load | 15V ~ 35V | 
                                                                                    
                                                | Operating Temperature | -20°C ~ 150°C (TJ) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 24-SOIC (0.295", 7.50mm Width) | 
                                                                                    
                                                | Supplier Device Package | 24-SOIC | 
                                                                                    
                                                | Base Product Number | A3973 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1,000 | 
                                                                                                                
                                
                             
                                                Bipolar Motor Driver DMOS Serial 24-SOIC