Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors The LT1134AIN is a part manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** LINEAR (Linear Technology)  
- **Type:** RS-232 Transceiver  
- **Number of Drivers/Receivers:** 3 Drivers, 5 Receivers  
- **Supply Voltage:** 4.5V to 5.5V  
- **Data Rate:** 120kbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
- The LT1134AIN is a 3-driver/5-receiver RS-232 transceiver with enhanced ESD protection.  
- It is designed for serial communication applications requiring robust performance in harsh environments.  
- The device includes onboard charge-pump voltage converters to generate RS-232-compliant voltage levels from a single 5V supply.  

### **Features:**
- **ESD Protection:** ±15kV (Human Body Model) on RS-232 I/O pins  
- **Low Power Consumption:** Typically 5mA supply current  
- **Onboard Charge Pump:** Eliminates the need for external ±12V supplies  
- **Wide Supply Voltage Range:** 4.5V to 5.5V  
- **Three-State Outputs:** Allows bus sharing in multidrop applications  
- **Compliant with EIA/TIA-232-F Standards**  

This information is based solely on the manufacturer's datasheet and technical documentation.

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