| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 39 Weeks | 
                                                                            
                                            | Package / Case | 28-TSSOP (0.173, 4.40mm Width) | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~105°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2001 | 
                                                                            
                                            | Series | SmartLEWIS™ | 
                                                                            
                                            | JESD-609 Code | e4 | 
                                                                            
                                            | Feature | RSSI Equipped | 
                                                                            
                                            | 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 4.5V~5.5V | 
                                                                            
                                            | 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 | 
                                                                            
                                            | Frequency | 300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 
                                                                            
                                            | Pin Count | 28 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G28 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Data Interface | PCB, Surface Mount | 
                                                                            
                                            | Telecom IC Type | TELECOM CIRCUIT | 
                                                                            
                                            | Sensitivity | -119dBm | 
                                                                            
                                            | Current - Receiving | 12mA | 
                                                                            
                                            | Modulation or Protocol | ASK, FSK | 
                                                                            
                                            | Antenna Connector | PCB, Surface Mount | 
                                                                            
                                            | Height Seated (Max) | 1.2mm | 
                                                                            
                                            | Length | 9.7mm | 
                                                                            
                                            | Width | 4.4mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                TDA5225XUMA1 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 Tape & Reel (TR).A voltage of 3V~3.6V 4.5V~5.5V is supplied to this RF Receiver.In RKE, TPM, Security Systems, it is primarily used.DUAL is the location of RF transmitter and receiver's  terminals.Working at a frequency of 300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz results in excellent efficiency.The terminations of RF Receiver total 28.
TDA5225XUMA1 Features
28-TSSOP (0.173, 4.40mm Width) package
300MHz~320MHz 425MHz~450MHz 863MHz~870MHz 902MHz~928MHz
28 terminations
TDA5225XUMA1 Applications
There are a lot of Infineon Technologies TDA5225XUMA1 RF Receivers applications. 
- WCDMA
- TD-SCDMA
- Lightings
- Cosmic noise
- Sensors
- Embedded Processor
- Test Equipment
- Radio Transceiver
- Low Bitrate ISM-band Communication Systems
- Inverters