Overview
The ULN2004AD16-U, produced by Diodes Incorporated, is a high-voltage, high-current Darlington transistor array. This device is part of the ULN2004 series and is designed to handle high-current, high-voltage switching of inductive loads. It features seven NPN Darlington pairs with common-cathode clamp diodes, making it suitable for driving a variety of loads such as relays, solenoids, DC motors, and other inductive devices. The ULN2004AD16-U is available in a 16-pin DIP package and is compatible with various logic families, including 6-15V CMOS and PMOS.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Outputs | 7 | - |
| Input Type | Inverting | - |
| Input Voltage Compatibility | 6-15V CMOS, PMOS | - |
| Output Voltage (Max) | 50 | V |
| Output Current (Max) | 500 | mA |
| Peak Output Current | 600 | mA |
| Operating Temperature Range | -40°C to 105°C | °C |
| Package Type | 16-DIP (0.300", 7.62mm) | - |
| Mounting Type | Through-hole | - |
Key Features
- Seven NPN Darlington pairs with common-cathode clamp diodes for switching inductive loads.
- High-voltage outputs capable of handling up to 50V.
- High-current capability with up to 500mA per channel and peak currents of 600mA.
- Inputs and outputs are pinned in opposition to simplify board layout.
- Compatible with various logic families: 6-15V CMOS and PMOS.
- Wide operating temperature range of -40°C to 105°C.
- Robust design for reliable operation in demanding environments.
- Convenient through-hole mounting for easy integration into PCBs.
Applications
- Relay drivers
- Stepping motor drivers
- Home appliances
- Industrial control systems
- Automotive electronics
- Robotics and automation
- Security and alarm systems
- Driving solenoids, DC motors, LED display filament lamps, and thermal print-heads.
Q & A
- What is the ULN2004AD16-U used for?
The ULN2004AD16-U is used for high-voltage, high-current switching of inductive loads such as relays, solenoids, and DC motors.
- What is the maximum output current per channel of the ULN2004AD16-U?
The maximum output current per channel is 500mA, with a peak current of 600mA.
- What is the operating temperature range of the ULN2004AD16-U?
The operating temperature range is -40°C to 105°C.
- What package types are available for the ULN2004AD16-U?
The ULN2004AD16-U is available in a 16-pin DIP package.
- Is the ULN2004AD16-U compatible with various logic families?
Yes, it is compatible with 6-15V CMOS and PMOS logic families.
- What are the common applications of the ULN2004AD16-U?
Common applications include relay drivers, stepping motor drivers, home appliances, industrial control systems, automotive electronics, robotics, and security systems.
- Does the ULN2004AD16-U have built-in suppression diodes?
Yes, it includes common-cathode clamp diodes for switching inductive loads.
- What is the maximum output voltage the ULN2004AD16-U can handle?
The maximum output voltage is 50V.
- Is the ULN2004AD16-U still in active production?
No, the ULN2004AD16-U is an obsolete product, but equivalent or alternative models are available.
- How are the inputs and outputs arranged on the ULN2004AD16-U?
The inputs and outputs are pinned in opposition to simplify board layout.
