Overview
The ULN2803ADWG4 is a variant of the ULN2803 series, a family of high-voltage, high-current Darlington transistor arrays produced by Texas Instruments. This device is particularly designed for applications requiring high current and voltage handling capabilities. It consists of eight NPN Darlington pairs, making it suitable for a wide range of industrial and commercial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Darlington Pairs | 8 |
| Output Voltage | 50 V |
| Output Current (per channel) | 500 mA |
| Input Voltage | 5 V (compatible with TTL and CMOS logic) |
| Package Type | SOIC-18 |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- High-voltage outputs with common emitters
- High current handling capability (500 mA per channel)
- Compatibility with TTL and CMOS logic inputs
- High current gain due to Darlington configuration
- Integrated suppression diodes for inductive load protection
Applications
- Relay and solenoid drivers
- LED display drivers
- Stepper motor drivers
- Printers and plotters
- Industrial control systems
Q & A
- What is the ULN2803ADWG4 used for? The ULN2803ADWG4 is used for driving high-current loads such as relays, solenoids, and stepper motors.
- How many Darlington pairs does the ULN2803ADWG4 have? The ULN2803ADWG4 has 8 NPN Darlington pairs.
- What is the maximum output voltage of the ULN2803ADWG4? The maximum output voltage is 50 V.
- What is the maximum output current per channel? The maximum output current per channel is 500 mA.
- Is the ULN2803ADWG4 compatible with TTL and CMOS logic? Yes, it is compatible with both TTL and CMOS logic inputs.
- What is the operating temperature range of the ULN2803ADWG4? The operating temperature range is -40°C to 85°C.
- What type of package does the ULN2803ADWG4 come in? The ULN2803ADWG4 comes in an SOIC-18 package.
- Does the ULN2803ADWG4 have built-in protection for inductive loads? Yes, it has integrated suppression diodes for inductive load protection.
- Can the ULN2803ADWG4 be used in industrial control systems? Yes, it is suitable for use in industrial control systems.
- What are some common applications of the ULN2803ADWG4? Common applications include relay and solenoid drivers, LED display drivers, stepper motor drivers, and printers and plotters.
