- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for ULN2803ADWR
- Part Number ULN2803ADWR
- Manufacturer Texas Instruments
- Pin Count 18
- Part Category Transistor
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - DW (R-PDSO-G18)
- Released Date Oct 16, 2018
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
ULN2803ADWR Details
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Manufacturer Part Number:
ULN2803ADWR
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Brand Name:
Texas Instruments
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SOIC
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Package Description:
SOIC-18
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Pin Count:
18
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.01
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Manufacturer:
Texas Instruments
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YTEOL:
0
ULN2803ADWR Frequently Asked Questions (FAQs)
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The maximum current that each output can handle is 500mA. However, it's recommended to derate the current to 350mA or less to ensure reliable operation.
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To protect the ULN2803ADWR from back-EMF, you can add a freewheeling diode in parallel with the inductive load. This diode will absorb the back-EMF and prevent it from damaging the IC.
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The minimum input voltage required for the ULN2803ADWR to function properly is 4.5V. However, it's recommended to use a minimum of 5V to ensure reliable operation.
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Yes, the ULN2803ADWR can be used to drive a relay. However, you need to ensure that the relay's coil current is within the IC's output current rating. You may also need to add a flyback diode to protect the IC from back-EMF.
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To reduce the power consumption of the ULN2803ADWR, you can use a lower input voltage, reduce the output current, or use a lower-frequency clock signal. You can also consider using a more power-efficient alternative, such as the ULN2804A.
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ULN2803ADWR Overview
Use the download button to access the ULN2803ADWR schematic symbol, PCB footprint, and 3D model.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
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