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ULN2003A Darlington Array
ULN2003A
Texas Instrumentsinterface io display
The ULN2003A is a Darlington array designed for driving inductive loads, featuring seven NPN Darlington pairs with high-voltage outputs and common-cathode clamp diodes.
In stock
Specifications
8- Operating Voltage
- 50V
- Supply Current
- 500mA
- Interface
- GPIO
- Resolution
- N/A
- Range
- 0-50V for VCE, 0-1A for IC
- Accuracy
- N/A
- Temperature Range
- -40°C to 70°C (for ULN200xA)
- Package
- SOIC, PDIP, SO, TSSOP, SOT
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1B | Channel 1 Darlington base input | GPIO | |
| 2B | Channel 2 Darlington base input | GPIO | |
| 3B | Channel 3 Darlington base input | GPIO | |
| 4B | Channel 4 Darlington base input | GPIO | |
| 5B | Channel 5 Darlington base input | GPIO | |
| 6B | Channel 6 Darlington base input | GPIO | |
| 7B | Channel 7 Darlington base input | GPIO | |
| 1C | Channel 1 through 7 Darlington collector output | GPIO | |
| 2C | Channel 2 Darlington collector output | GPIO | |
| 3C | Channel 3 Darlington collector output | GPIO | |
| 4C | Channel 4 Darlington collector output | GPIO | |
| 5C | Channel 5 Darlington collector output | GPIO | |
| 6C | Channel 6 Darlington collector output | GPIO | |
| 7C | Channel 7 Darlington collector output | GPIO | |
| COM | Common cathode node for flyback diodes (required for inductive loads) | — | |
| 8 | Common emitter shared by all channels (typically tied to ground) | GND |
Interactive pinout
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ULN2003A
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