|Manufacturer Part Number: ULN2803ADW
|Manufacturer / Brand: Texas Instruments
|Part of Description: Darlington Transistors Darlington Transistr Array
|Lead Free Status / RoHS Status: Lead free / RoHS Compliant
|Ship From: HK/Shen Zhen
|Shipment Way: DHL/Fedex/TNT/UPS
|Package / Case
|Minimum Operating Temperature
|– 40 C
|Maximum Operating Temperature
|+ 85 C
|Factory Pack Quantity
Scheduled for obsolescence and will be discontinued by the manufacturer.
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What is ULN2803ADW?
ULN2803ADW is an integrated circuit (IC) designed for use in controlling multiple relays, stepper motors, and other high-current applications. It is a Darlington array comprised of eight high-voltage, high-current Darlington transistor pairs. The IC has an open collector output and can handle up to 500 mA of current per channel, making it ideal for driving a wide range of applications such as motor control, industrial automation, and robotics. It has a wide operating voltage range of 4.5 to 40V and can be used in both AC and DC circuits. The ULN2803ADW is UL certified, which ensures that it meets the safety standards set by the Underwriters Laboratories.
The ULN2803ADW is a versatile and reliable IC that offers a simple and cost-effective solution for controlling multiple relays, stepper motors, and other high-current applications. It is widely used in a variety of industries and its small size makes it ideal for use in space-constrained designs.
How to use ULN2803ADW?
To use the ULN2803ADW, you will need to connect it to an appropriate power supply, connect the inputs to the relevant signal sources, and connect the outputs to the load. The inputs should be in the form of a digital signal, such as TTL or CMOS, and should be of a compatible voltage level. Once everything is connected, the ULN2803ADW will be able to control the load according to the signal applied to the input.
The ULN2803ADW can be used in a wide variety of applications, including motor control, industrial automation, and robotics. It is a great choice for controlling multiple relays, stepper motors, and other high-current applications.
Features and Specifications
• Eight high-voltage, high-current Darlington transistor pairs
• Open collector output
• Maximum current per channel: 500 mA
• Operating voltage: 4.5 to 40V
• UL certified
• Small size and low cost
• Low saturation voltage
• Wide range of operating temperatures
• High noise immunity
• High input impedance
• Low power dissipation
• Fast switching speed
• RoHS compliant
• Lead free