High-Voltage, High-Current Darlington Transistor Array The ULN2004AN is a high-voltage, high-current Darlington transistor array manufactured by Texas Instruments. Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Type:** Darlington Transistor Array
- **Number of Channels:** 7
- **Output Current (per channel):** 500 mA (max)
- **Output Voltage (max):** 50 V
- **Input Voltage (max):** 30 V
- **Input Current (per channel):** 2.5 mA (max)
- **Power Dissipation:** 2.25 W (total package)
- **Operating Temperature Range:** -20°C to +85°C
- **Package Type:** PDIP-16 (Plastic Dual In-Line Package)
### **Descriptions:**
- The ULN2004AN consists of seven NPN Darlington pairs with common emitters.
- Each channel can drive high-current loads (up to 500 mA) and high voltages (up to 50 V).
- It includes integrated suppression diodes for inductive load protection.
- Designed for interfacing between low-level logic (TTL, CMOS) and high-power loads (relays, motors, lamps).
### **Features:**
- **High-Voltage and High-Current Capability** – Suitable for driving inductive loads.
- **Integrated Clamp Diodes** – Protects against back EMF from inductive loads.
- **Compatible with TTL, CMOS, and PMOS Logic** – Directly interfaces with 5V logic.
- **Wide Operating Temperature Range** – Reliable performance in industrial environments.
- **Durable Package** – PDIP-16 for easy PCB mounting.
This information is based solely on the manufacturer's datasheet for the ULN2004AN by Texas Instruments.
