| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            20 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            TIN LEAD | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            240 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Pin Count | 
                                            20 | 
                                        
                                                                            
                                            | Number of Channels | 
                                            4 | 
                                        
                                                                            
                                            | Number of Circuits | 
                                            2 | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            DIFFERENTIAL MULTIPLEXER | 
                                        
                                                                            
                                            | Voltage - Supply, Single/Dual (±) | 
                                            2.7V~12V ±2V~6V | 
                                        
                                                                            
                                            | Neg Supply Voltage-Nom (Vsup) | 
                                            -5V | 
                                        
                                                                            
                                            | On-State Resistance (Max) | 
                                            60Ohm | 
                                        
                                                                            
                                            | Multiplexer/Demultiplexer Circuit | 
                                            4:1 | 
                                        
                                                                            
                                            | Off-state Isolation-Nom | 
                                            92 dB | 
                                        
                                                                            
                                            | Current - Leakage (IS(off)) (Max) | 
                                            100pA | 
                                        
                                                                            
                                            | Channel Capacitance (CS(off), CD(off)) | 
                                            3pF 12pF | 
                                        
                                                                            
                                            | On-state Resistance Match-Nom | 
                                            1.3Ohm | 
                                        
                                                                            
                                            | Switch Circuit | 
                                            SP4T | 
                                        
                                                                            
                                            | Switch Time (Ton, Toff) (Max) | 
                                            50ns, 35ns | 
                                        
                                                                            
                                            | Charge Injection | 
                                            0.3pC | 
                                        
                                                                            
                                            | Channel-to-Channel Matching (ΔRon) | 
                                            1.3 Ω | 
                                        
                                                                            
                                            | Crosstalk | 
                                            -110dB @ 100kHz | 
                                        
                                                                            
                                            | Switch-on Time-Max | 
                                            50ns | 
                                        
                                                                            
                                            | Switch-off Time-Max | 
                                            35ns | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1mm | 
                                        
                                                                            
                                            | Length | 
                                            4mm | 
                                        
                                                                            
                                            | Width | 
                                            4mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                ISL43741IR Overview
The electronic component is convenient to ship overseas because it is packed in a 20-VFQFN Exposed Pad. A high level of reliability can be achieved through the use of an advanced packaging method Tube. It is mounted in the position Surface Mount. In the multiplexer and demultiplexer, 4:1 represents the number of circuits. Operational temperature extended around -40°C~85°C TA. The total number of terminations is 20. A electrical component with 4 channels is capable of high-quality output. When a voltage supply of 5V is used, the electronic component should be turned on and run. A total of 20 pins are injected into the electrical part body. A SP4T switching circuit is used for these analog switches. A total of 2 circuits make up this switch device. A DIFFERENTIAL MULTIPLEXER analog IC is integrated into the board. 
ISL43741IR Features
4 Channels
Switch Circuit: SP4T
ISL43741IR Applications
There are a lot of Rochester Electronics, LLC ISL43741IR Analog Switches & Multiplexers ICs applications. 
- DSUs
 - Microwave transmission systems
 - Communications systems
 - Remote wireless modules
 - Relay replacements
 - Audio and video switching
 - Ultrasound
 - Channel Banks
 - Avionics and Military Systems
 - USB 1.1 signal switching circuits