| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-SOIC (0.154, 3.90mm Width) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            8-SOIC | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Type | 
                                            General Purpose | 
                                        
                                                                            
                                            | Output Type | 
                                            CMOS, Push-Pull, Rail-to-Rail, TTL | 
                                        
                                                                            
                                            | Number of Elements | 
                                            2 | 
                                        
                                                                            
                                            | Voltage - Supply, Single/Dual (±) | 
                                            2.5V~5.5V ±1.25V~2.75V | 
                                        
                                                                            
                                            | Current - Quiescent (Max) | 
                                            96μA | 
                                        
                                                                            
                                            | Voltage - Input Offset (Max) | 
                                            5mV @ 5.5V | 
                                        
                                                                            
                                            | Current - Input Bias (Max) | 
                                            1pA @ 5.5V | 
                                        
                                                                            
                                            | Hysteresis | 
                                            ±2.5mV | 
                                        
                                                                            
                                            | CMRR, PSRR (Typ) | 
                                            80dB CMRR, 80dB PSRR | 
                                        
                                                                            
                                            | Propagation Delay (Max) | 
                                            210ns | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                MAX991ESA Overview
The product is packaged in 8-SOIC (0.154, 3.90mm Width) to facilitate transportation.Output type of this comparator is CMOS, Push-Pull, Rail-to-Rail, TTL .The part will be shipped by Tube .It's a typical General Purpose comparator.The total number of elements is 2 .The recommended mounting type is Surface Mount .Ideally, the operating temperature should be set at -40°C~85°C in order to prevent malfunction.
MAX991ESA Features
CMOS, Push-Pull, Rail-to-Rail, TTL output capability
General Purpose IC
Employing 2 elements
Operates under -40°C~85°C
MAX991ESA Applications
There are a lot of Rochester Electronics, LLC MAX991ESA linear comparators  applications. 
- Ultra-Low Power Systems
 - Security Detection Systems
 - Wearable Devices
 - Power management
 - Lithium ion battery monitoring
 - Infotainment & cluster
 - Window Comparators
 - DC/DC and AC/DC power supplies
 - Battery-Powered Electronics
 - Mobile Phones