| Parameters | 
                                
                                                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            5 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Subcategory | 
                                            Comparator | 
                                        
                                                                            
                                            | Technology | 
                                            BICMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.95mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Pin Count | 
                                            5 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G5 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Operating Temperature (Max) | 
                                            85°C | 
                                        
                                                                            
                                            | Operating Temperature (Min) | 
                                            -40°C | 
                                        
                                                                            
                                            | Output Type | 
                                            OPEN-DRAIN | 
                                        
                                                                            
                                            | Power Supplies | 
                                            3.3V | 
                                        
                                                                            
                                            | Temperature Grade | 
                                            INDUSTRIAL | 
                                        
                                                                            
                                            | Supply Current-Max | 
                                            0.0011mA | 
                                        
                                                                            
                                            | Response Time | 
                                            15000 ns | 
                                        
                                                                            
                                            | Amplifier Type | 
                                            COMPARATOR | 
                                        
                                                                            
                                            | Average Bias Current-Max (IIB) | 
                                            0.015μA | 
                                        
                                                                            
                                            | Supply Voltage Limit-Max | 
                                            6V | 
                                        
                                                                            
                                            | Bias Current-Max (IIB) @25C | 
                                            0.015μA | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1.45mm | 
                                        
                                                                            
                                            | Length | 
                                            2.9mm | 
                                        
                                                                            
                                            | Width | 
                                            1.625mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                MAX9644EUK+ Overview
The comparator has a OPEN-DRAIN output.Electronic comparator is possible to find the 5 terminals of the comparator.The component belongs to the Comparator family of electrical components.In the presence of a 3.3V voltage, the comparator is capable of accomplishing a variety of demanding tasks.Electronic comparator includes 5 pins.The device can be powered by 3.3V power supplies.With this part, a minimum current of 0.0011mA can be supplied.In essence, the comparator has a COMPARATOR amplifier with a high gain.Comparator electronics is recommended that users do not apply the part to areas where the ambient temperature is higher than 85°C .There is a limitation to the accuracy of this part in colder regions than -40°C .
MAX9644EUK+ Features
OPEN-DRAIN output capability
COMPARATOR amplifier
MAX9644EUK+ Applications
There are a lot of Maxim Integrated MAX9644EUK+ linear comparators  applications. 
- Portable Battery Monitoring
 - Threshold Detectors
 - Zero-Crossing Detectors
 - High-Speed Sampling Circuits
 - Point of load regulators
 - Mobile Phones and Tablets
 - Automotive
 - General Purpose Low Voltage Applications
 - Battery-Powered Electronics
 - Automatic Test Equipment