16-Channel Dual 8 Channel, Low Leakage, CMOS Analog Multiplexers The **MAX337EWI+** is a high-speed, low-power RS-232 transceiver manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated  
- **Type:** RS-232 Transceiver  
- **Number of Drivers/Receivers:** 3 Drivers / 5 Receivers  
- **Data Rate:** Up to **120kbps**  
- **Supply Voltage:** **±4.5V to ±5.5V** (Dual Supply)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **28-pin Wide SOIC (SOIC-28)**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Shutdown Current:** **1µA (Typical)**  

### **Descriptions:**  
The MAX337EWI+ is designed for **low-power, high-speed RS-232 communication** in industrial and embedded systems. It integrates charge-pump circuitry to generate RS-232 voltage levels from a single **5V supply**, eliminating the need for external power supplies.  

### **Features:**  
- **Low Power Consumption:** Operates with **1µA shutdown current**  
- **On-Chip Charge Pump:** Generates RS-232 compliant **±5.5V** signals  
- **Enhanced ESD Protection:** **±15kV** on I/O pins  
- **Wide Supply Range:** Supports **±4.5V to ±5.5V**  
- **Three Drivers & Five Receivers:** Suitable for multi-channel applications  
- **Industrial Temperature Range:** **-40°C to +85°C**  
- **RoHS Compliant:** Lead-free and environmentally friendly  

This transceiver is commonly used in **industrial automation, networking equipment, and embedded systems** requiring reliable RS-232 communication.