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SN55451

DUAL PERIPHERAL DRIVERS

Partnumber Manufacturer Quantity Availability
SN55451 27 In Stock

Description and Introduction

DUAL PERIPHERAL DRIVERS The SN55451 is a dual peripheral driver manufactured by Texas Instruments. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Dual Peripheral Driver  
- **Technology:** Bipolar  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Output Current (per Driver):** 300mA  
- **Peak Output Current (per Driver):** 500mA  
- **Input Voltage (High):** 2V (min)  
- **Input Voltage (Low):** 0.8V (max)  
- **Propagation Delay:** 40ns (typical)  
- **Operating Temperature Range:** -55°C to +125°C  

### **Descriptions:**  
- The SN55451 is designed for high-current, high-voltage applications.  
- It is commonly used in industrial and automotive systems for driving relays, solenoids, and other inductive loads.  
- The device includes built-in diode clamps for inductive load protection.  

### **Features:**  
- **Dual independent drivers** in a single package.  
- **High output current capability** (300mA continuous, 500mA peak).  
- **Fast switching speed** for efficient load control.  
- **Wide operating temperature range** for harsh environments.  
- **TTL/DTL-compatible inputs** for easy interfacing with logic circuits.  
- **Inductive kickback protection** with internal diodes.  

For exact performance characteristics, refer to the official datasheet from Texas Instruments.

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