ULN2003ADR2G: Features, Specs & More
When it comes to reliable, compact, and cost-effective transistor arrays for controlling inductive loads like relays, stepper motors, and LEDs, the onsemi ULN2003ADR2G stands out as a top-tier solution. In this comprehensive article, we'll delve into the intricacies of the ULN2003ADR2G, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
ULN2003ADR2G's Overview
The ULN2003ADR2G is a 7-channel Darlington transistor array based on NPN technology. Manufactured by onsemi, it offers high-voltage, high-current performance in a compact 16-pin SOIC package. Each channel pairs two NPN transistors in a Darlington configuration, amplifying the input current for more robust load driving.
Key Features
Let's delve into the standout features that make the ULN2003ADR2G a standout in the world of electronics:
· It contains seven NPN Darlington pairs in a single chip.
· Each output can handle up to 50V collector-emitter voltage.
· Maximum continuous DC collector current is rated at 0.5A per channel.
· Offers high DC current gain with a minimum gain of 1000 at 350mA.
· Integrated clamping diodes for inductive load protection.
· Surface mountable in a compact 16-pin SOIC package.
· Wide temperature range from -20°C to 85°C ensures robust operation.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the ULN2003ADR2G:
Type | Parameter |
Type | NPN |
Configuration | Array 7 |
Number of Elements per Chip | 7 |
Maximum Collector-Emitter Voltage (V) | 50 |
Maximum Continuous DC Collector Current (A) | 0.5 |
Maximum Collector-Emitter Saturation Voltage (V) | 1.1@250uA@100mA|1.3@350uA@200mA|1.6@500uA@350mA |
Minimum DC Current Gain | 1000@350mA@2V |
Minimum Operating Temperature (°C) | -20 |
Maximum Operating Temperature (°C) | 85 |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 1.5(Max) |
Package Width | 4(Max) |
Package Length | 10(Max) |
PCB changed | 16 |
Standard Package Name | SO |
Supplier Package | SOIC |
Pin Count | 16 |
Lead Shape | Gull-wing |
Applications
Thanks to its integrated design and robust power-handling capability, the ULN2003ADR2G serves a wide range of applications, including:
· LED Drivers – For large displays, backlighting, and indicator panels.
· Relay Drivers – Simplifies relay interfacing without discrete components.
· Stepper Motor Controllers – Used in printers, robotics, and automation systems.
· Logic-to-Load Interface – For connecting low-level microcontroller signals to high-current devices.
· Solenoid Control – Ideal for fluid and motion control systems.
ULN2003ADR2G's Manufacturer
ON Semiconductor, stylized in lowercase as "onsemi", stands at the forefront of technological innovation, driving advancements that power intelligent and energy-efficient systems worldwide. With a commitment to delivering cutting-edge solutions, ON Semiconductor provides a comprehensive portfolio of semiconductor products, spanning power management, analog, sensor, and connectivity solutions. Leveraging a legacy of over 20 years, the company has solidified its position as a trusted partner for industries ranging from automotive and industrial to consumer electronics and healthcare.
Conclusion
The ULN2003ADR2G is more than just a Darlington array—it's a compact powerhouse for load-driving needs. Backed by the engineering reputation of onsemi and packed with practical features, it fits seamlessly into designs where performance and reliability are non-negotiable.
