| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 6 Weeks | 
                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 32-WFQFN Exposed Pad | 
                                                                            
                                            | Number of Pins | 32 | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2012 | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Feature | Internal Oscillator | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 32 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Max Operating Temperature | 85°C | 
                                                                            
                                            | Min Operating Temperature | -40°C | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Subcategory | Serial IO/Communication Controllers | 
                                                                            
                                            | Technology | BICMOS | 
                                                                            
                                            | Voltage - Supply | 1.71V~3.6V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Supply Voltage | 1.8V | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 30 | 
                                                                            
                                            | Base Part Number | MAX3109 | 
                                                                            
                                            | Pin Count | 32 | 
                                                                            
                                            | Power Supplies | 1.8/3.3V | 
                                                                            
                                            | Temperature Grade | INDUSTRIAL | 
                                                                            
                                            | Number of Channels | 2, DUART | 
                                                                            
                                            | Nominal Supply Current | 4mA | 
                                                                            
                                            | Max Supply Current | 500μA | 
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | 
                                                                            
                                            | Clock Frequency | 35MHz | 
                                                                            
                                            | Protocol | RS232, RS485 | 
                                                                            
                                            | Boundary Scan | NO | 
                                                                            
                                            | Low Power Mode | YES | 
                                                                            
                                            | Data Rate (Max) | 24Mbps | 
                                                                            
                                            | Number of Serial I/Os | 2 | 
                                                                            
                                            | Bus Compatibility | I2C; USB | 
                                                                            
                                            | Data Transfer Rate-Max | 3 MBps | 
                                                                            
                                            | FIFO's | 128 Byte | 
                                                                            
                                            | With False Start Bit Detection | Yes | 
                                                                            
                                            | Height | 430μm | 
                                                                            
                                            | Length | 5mm | 
                                                                            
                                            | Width | 5mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | REACH SVHC | Unknown | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                MAX3109ETJ+ Overview
This product is available in a cost-effective package called 32-WFQFN Exposed Pad.In order to transmit data, there are 2, DUART channels available.When UART comes to packaging, Tube is adopted as the packaging method.Its uPs/uCs/Peripheral ICs use SERIAL IO/COMMUNICATION CONTROLLER, SERIAL.The configuration uses 32 terminations.For its operation, a voltage of 1.8V is provided as the supply voltage.The current status of this electronic part is Active.There are 2 serial I/Os working as a way for data communication.UART can be mounted through a way of Surface Mount.This device operates at 1.71V~3.6V.Electronic devices such as this are known as 32-pin integrated circuits.Its clock frequency is measured at 35MHz.A series of similarities lead us to include it in the subcategory of Serial IO/Communication Controllers.For a long-term satisfactory performance, it is necessary not to exceed the operating temperature of -40°C.To maintain normal work for a long time, the operating temperature should not exceed 85°C.As its configuration basis, the 32 pins are used.There are some characteristics of Internal Oscillator that are present in it.Using Surface Mount, it is mounted.When power supplies are provided of 1.8/3.3V, it is reliable and efficient for electronic designers.In order to identify this part, its base part number is MAX3109.500μA is the maximum value allowable for supply current.
MAX3109ETJ+ Features
2 serial I/Os
Clock frequency of 35MHz
Power supplies of 1.8/3.3V
MAX3109ETJ+ Applications
There are a lot of Maxim Integrated MAX3109ETJ+ UARTs applications. 
- Wireless Infrared Data Communications Systems
- Multimedia Systems
- Personal Digital Assistants Modules
- DTE for Modem Communication Systems
- Point-of-Sale Systems
- Multi-port RS-232/RS-422/RS-485 Cards
- Ethernet Network Routers
- GPS Devices
- Gaming Terminals
- Battery Operated Electronics