| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            39 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            28-TSSOP (0.173, 4.40mm Width) | 
                                        
                                                                            
                                            | Number of Pins | 
                                            28 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~105°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2000 | 
                                        
                                                                            
                                            | Series | 
                                            SmartLEWIS™ | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            28 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | 
                                        
                                                                            
                                            | Applications | 
                                            RKE, TPM, Security Systems | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            3V~3.6V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.65mm | 
                                        
                                                                            
                                            | Depth | 
                                            4.4mm | 
                                        
                                                                            
                                            | Frequency | 
                                            300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Pin Count | 
                                            28 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Halogen Free | 
                                            Halogen Free | 
                                        
                                                                            
                                            | Data Interface | 
                                            PCB, Surface Mount | 
                                        
                                                                            
                                            | Telecom IC Type | 
                                            TELECOM CIRCUIT | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            112 kcps | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            15mA | 
                                        
                                                                            
                                            | Modulation or Protocol | 
                                            ASK, FSK | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -117 dBm | 
                                        
                                                                            
                                            | Antenna Connector | 
                                            PCB, Surface Mount | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1.2mm | 
                                        
                                                                            
                                            | Length | 
                                            9.7mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                TDA5235XUMA1 Overview
In the package 28-TSSOP (0.173, 4.40mm Width), there is a version of RF Receiver.The package of RF transmitter and receiver is in the form of Tape & Reel (TR).In this RF Receiver, the supply voltage is 3V~3.6V.RKE, TPM, Security Systems is its main application.DUAL is the location of RF transmitter and receiver's  terminals.This device works well at 300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz frequency when it is operating at a high rate of efficiency.In total, there has been 28 terminations of RF Receiver of this process.
TDA5235XUMA1 Features
28-TSSOP (0.173, 4.40mm Width) package
300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz
28 terminations
TDA5235XUMA1 Applications
There are a lot of Infineon Technologies TDA5235XUMA1 RF Receivers applications. 
- Radio Transceiver
 - Low Bitrate ISM-band Communication Systems
 - Automated test equipment
 - Wireless infrastructure
 - Forming a Self-Healing
 - Microprocessor
 - Satellites
 - Cellular infrastructure
 - Radio communication equipment
 - Microwave radios