Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors The LT1138AIG is a high-speed, low-power RS232 driver/receiver manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Supply Voltage:** ±5V to ±12V  
- **Data Rate:** Up to 250kbps  
- **ESD Protection:** ±10kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead SSOP  
- **Number of Drivers/Receivers:** 5 Drivers, 3 Receivers  
- **Low Power Consumption:** Typically 5mA (no load)  

### **Descriptions and Features:**  
- **High-Speed Operation:** Optimized for 250kbps data transmission.  
- **Low Power:** Designed for battery-powered applications.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±10kV.  
- **Wide Supply Range:** Supports ±5V to ±12V operation.  
- **Shutdown Mode:** Reduces power consumption when not in use.  
- **RS232 Compliance:** Meets EIA/TIA-232-F standards.  
- **Applications:** Portable devices, modems, industrial equipment, and serial communication interfaces.  

This information is based solely on the LT1138AIG datasheet from Linear Technology (Analog Devices).

Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors

Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors The LT1138AIG is a high-speed, low-power RS232 driver/receiver manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Linear Technology (LT)
- **Part Number:** LT1138AIG
- **Type:** RS232 Transceiver
- **Operating Voltage:** 4.5V to 5.5V
- **Data Rate:** Up to 250kbps
- **Number of Drivers/Receivers:** 3 Drivers, 5 Receivers
- **Supply Current (Active):** 5mA (typical)
- **Supply Current (Shutdown):** 1µA (typical)
- **ESD Protection:** ±15kV (Human Body Model)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-Lead SSOP

### **Descriptions:**
- The LT1138AIG is designed for RS232 communication, providing robust performance with low power consumption.
- It includes onboard charge pumps to generate RS232 voltage levels (±5V to ±10V) from a single 5V supply.
- Suitable for battery-powered and portable applications due to its low shutdown current.

### **Features:**
- **Low Power:** 5mA operating current, 1µA shutdown current.
- **High-Speed Operation:** Supports data rates up to 250kbps.
- **Enhanced ESD Protection:** ±15kV on transmitter outputs and receiver inputs.
- **Onboard Charge Pumps:** Eliminates the need for external voltage converters.
- **Three-State Outputs:** Allows bus sharing in multidrop applications.
- **Wide Supply Range:** Operates from 4.5V to 5.5V.
- **Industrial Temperature Range:** -40°C to +85°C.

This device is commonly used in serial communication interfaces, industrial systems, and portable devices requiring reliable RS232 connectivity.

Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors