ULN2803AG Datasheet Download - Complete Technical Guide

The ULN2803AG is a popular Darlington transistor array used in various electronic applications. Download the complete ULN2803AG datasheet PDF to access detailed technical specifications, pin configurations, and application guidelines for your circuit design projects.

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About This Software

The ULN2803AG features eight NPN Darlington pairs with common emitters and integral clamp diodes for inductive load switching. This versatile IC is ideal for interfacing between TTL, CMOS, or DTL circuits and higher current/voltage loads. The device provides 500mA sink capability per channel and can handle up to 50V, making it perfect for relay drivers, LED displays, and solenoid control applications. The ULN2803AG includes built-in suppression diodes to protect against inductive voltage spikes, ensuring reliable operation in demanding environments.

Key Features

1
8-channel Darlington transistor array with 500mA sink capability per channel
2
Built-in clamp diodes for inductive load protection
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50V maximum collector-emitter voltage rating
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Compatible with TTL, CMOS, and DTL logic levels
5
Compact 18-pin DIP or SOIC package options

How to Use

To use the ULN2803AG, connect your logic signal to the input pins, with each input controlling one Darlington pair. The common COM pin should be connected to the positive supply when driving inductive loads. Always verify your load requirements against the device's specifications and include appropriate heat dissipation for high current applications.

Conclusion

Download the ULN2803AG datasheet now to get all the technical information needed for your next electronics project.

Frequently Asked Questions

What is the maximum current rating for the ULN2803AG?

The ULN2803AG can handle up to 500mA per channel with a total package limit of 2.5A.

Can the ULN2803AG drive AC loads?

No, the ULN2803AG is designed for DC loads only. For AC applications, consider using triac-based drivers like the MOC3021.

What is the difference between ULN2803A and ULN2803AG?

The 'G' suffix indicates the lead-free version of the IC, meeting RoHS compliance requirements while maintaining identical electrical specifications.