| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            8 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            56-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tray | 
                                        
                                                                            
                                            | Published | 
                                            2014 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            2 (1 Year) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            56 | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.31.00.01 | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.1V~3.6V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            1.25V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-XQCC-N56 | 
                                        
                                                                            
                                            | Memory Size | 
                                            256kB Flash 32kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Zigbee® | 
                                        
                                                                            
                                            | Power - Output | 
                                            8dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            802.15.4 | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -102dBm | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            5Mbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, JTAG, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            23.5mA~29.5mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            24mA~44mA | 
                                        
                                                                            
                                            | Modulation | 
                                            O-QPSK | 
                                        
                                                                            
                                            | GPIO | 
                                            32 | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            0.9mm | 
                                        
                                                                            
                                            | Length | 
                                            8mm | 
                                        
                                                                            
                                            | Width | 
                                            8mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                EM3591-RT Overview
To save board space, RF transceiver IC uses the 56-VFQFN Exposed Pad package. Surface Mount is used to mount the RF transceiver's mounting.With transceiver RF's  high efficiency, transceiver RF emerges as a TxRx + MCU.Advanced transceiver RF' packaging Tray is used to provide high reliability.RF transceiver operates based on the frequency of 2.4GHz.
EM3591-RT Features
56-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Tray is used
EM3591-RT Applications
There are a lot of Silicon Labs EM3591-RT RF Transceiver ICs applications. 
- Automotive
 - Smart Meters
 - Patient Asset Tracking
 - Low Noise Amplifier (LNA)
 - Utility and Smart Energy
 - Fitness
 - HVAC
 - Medical
 - Digital Remote
 - Location and Asset Tracking