Manufacturer Part Number
ULN2004AN
Manufacturer
Texas Instruments
Introduction
Integrated circuit designed for power distribution and load driving
Product Features and Performance
Seven Darlington pairs for high-voltage outputs
500mA maximum current per channel
Works with 50V maximum load voltage
Supports inverting input signals
Product Advantages
High current rating per channel
Can drive relays, solenoids, and other inductive loads
Direct interface with TTL or 5V CMOS devices
Ease of use with parallel interface
Key Technical Parameters
Seven outputs
Relay and solenoid driver switch type
1:1 input to output ratio
NPN low side output configuration
No external supply voltage required
Operating temperature range from -40°C to 70°C
Quality and Safety Features
Built to Texas Instruments' standards for industrial quality
Operation within specified temperature ranges ensures stability
Compatibility
Compatible with multiple microcontrollers and logic interfaces due to TTL and CMOS compatibility
Application Areas
Industrial controls
Robotics
Consumer electronics
Automotive systems
Product Lifecycle
Last Time Buy status indicating nearing discontinuation
Potential replacements or upgrades may be available from Texas Instruments
Key Reasons to Choose This Product
Reliable power management from a leading manufacturer
Multiple output capacity enables flexibility in design
Suitable for various applications due to high voltage and current capabilities
Easy integration into existing systems with through-hole mounting
Known compatibility and ease of use with standard protocols and interfaces