Manufacturer Part Number
ULN2004ADR
Manufacturer
Texas Instruments
Introduction
ULN2004ADR is a high-voltage, high-current Darlington transistor array designed for driving a wide variety of loads including solenoids, relays, DC motors, LED displays, filament lamps, and other high-current loads.
Product Features and Performance
Consists of seven NPN Darlington pairs
High voltage outputs up to 50V
Output current capability of 500mA per driver
Common-cathode flyback diodes for switching inductive loads
Input compatible with popular logic types
Relay and solenoid driver application
Product Advantages
Integrated suppression diodes
High current drive capability
Low power consumption
Key Technical Parameters
Number of Outputs: 7
Voltage Load: 50V (Max)
Current Output (Max): 500mA
Interface: Parallel
Output Configuration: Low Side
Output Type: NPN
Quality and Safety Features
Operates from -40°C to 70°C
Robust construction for high reliability
Compatibility
Compatible with TTL, CMOS, PMOS and NMOS logic systems
Application Areas
Driving relays
Solenoids
Stepper motors
DC motors
Product Lifecycle
Status: Active
No scheduled discontinuation
Upgrades or replacements should consult Texas Instruments for future compatibility
Several Key Reasons to Choose This Product
Capable of driving diverse loads
Built-in diode protection for inductive loads
Supports multiple logic families
High reliability and performance under extreme conditions
Ready availability in tape and reel packaging for ease of assembly in manufacturing environments