Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | ULx200xA |
| ProductStatus | Active |
| SwitchType | Relay, Solenoid Driver |
| NumberofOutputs | 7 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | Low Side |
| OutputType | NPN |
| Interface | Parallel |
| Voltage-Load | 50V (Max) |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 500mA |
| InputType | Inverting |
| OperatingTemperature | -40°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 16-SOIC |
Overview
Description
The ULN2003ADR2G is a high-voltage, high-current Darlington transistor array. It is commonly used to drive inductive loads such as relays, solenoids, and stepper motors. The device consists of seven NPN Darlington pairs, each pair featuring a high-gain transistor configuration, which allows it to interface with TTL and CMOS logic levels while driving larger loads. Each channel can handle up to 500 mA, and the device can support a total of 50V. Integrated freewheeling diodes protect against voltage spikes from inductive loads, enhancing reliability.
Housed in a surface-mount SOIC-16 package, the ULN2003ADR2G is suitable for applications where space is a concern. It is widely used in various applications, including automation systems, consumer electronics, and automotive systems, due to its robustness and ease of use. The device is temperature-rated for industrial environments, offering stable performance across a range of conditions. Its versatility and reliability make it a popular choice for engineers and designers needing to drive multiple high-power loads with a single IC.
Housed in a surface-mount SOIC-16 package, the ULN2003ADR2G is suitable for applications where space is a concern. It is widely used in various applications, including automation systems, consumer electronics, and automotive systems, due to its robustness and ease of use. The device is temperature-rated for industrial environments, offering stable performance across a range of conditions. Its versatility and reliability make it a popular choice for engineers and designers needing to drive multiple high-power loads with a single IC.
Equivalent
The ULN2003ADR2G is a Darlington transistor array commonly used for driving loads like relays and stepper motors. Equivalent products include:
1. ULN2003A
2. ULN2003APG
3. ULN2003DG
4. ULN2003D1013TR
5. SN75468
6. MIC5801YN
These components generally offer similar functionalities, although they might differ in packaging and electrical characteristics. Always check the datasheets for compatibility with your specific application.
1. ULN2003A
2. ULN2003APG
3. ULN2003DG
4. ULN2003D1013TR
5. SN75468
6. MIC5801YN
These components generally offer similar functionalities, although they might differ in packaging and electrical characteristics. Always check the datasheets for compatibility with your specific application.
Features
The ULN2003ADR2G is a high-voltage, high-current Darlington transistor array. Key features include:
1. Seven Darlington Pairs: Consists of seven NPN Darlington pairs capable of driving high current loads.
2. High-Voltage Output: Each pair is capable of withstanding up to 50V.
3. High Current Capability: Designed to handle up to 500 mA per channel, making it suitable for driving relays, solenoids, and LEDs.
4. Integrated Suppression Diodes: Each output is equipped with a clamp diode for inductive load transients suppression, protecting the circuit.
5. Input Compatibility: Compatible with standard TTL and CMOS logic levels.
6. Compact Package: Available in a 16-pin SOIC package, which is ideal for space-constrained applications.
7. Wide Operating Temperature Range: Functions efficiently over a temperature range of -40°C to 85°C.
8. Low Input Current: Minimizes power consumption from the control circuit.
The ULN2003ADR2G is widely used in applications like motor drivers, LED displays, and other interfaces requiring multiple high-current drivers.
1. Seven Darlington Pairs: Consists of seven NPN Darlington pairs capable of driving high current loads.
2. High-Voltage Output: Each pair is capable of withstanding up to 50V.
3. High Current Capability: Designed to handle up to 500 mA per channel, making it suitable for driving relays, solenoids, and LEDs.
4. Integrated Suppression Diodes: Each output is equipped with a clamp diode for inductive load transients suppression, protecting the circuit.
5. Input Compatibility: Compatible with standard TTL and CMOS logic levels.
6. Compact Package: Available in a 16-pin SOIC package, which is ideal for space-constrained applications.
7. Wide Operating Temperature Range: Functions efficiently over a temperature range of -40°C to 85°C.
8. Low Input Current: Minimizes power consumption from the control circuit.
The ULN2003ADR2G is widely used in applications like motor drivers, LED displays, and other interfaces requiring multiple high-current drivers.
Pinout
The ULN2003ADR2G is a popular Darlington transistor array IC with a pin count of 16. It contains seven NPN Darlington pairs that can handle high-voltage and high-current loads, making it ideal for interfacing between logic level signals and higher power loads such as relays, lamps, or stepper motors.
Here's a quick breakdown of its pin functions:
1. Pins 1-7 (Inputs 1-7): These are the inputs for the Darlington pairs. They typically receive signals from a microcontroller or other control logic.
2. Pin 8 (Ground): This is the common ground pin for the device.
3. Pins 9-15 (Outputs 1-7): These are the outputs connected to the collectors of the Darlington pairs. They drive the loads.
4. Pin 16 (COM): This is the common free-wheeling diode pin, often connected to the power supply when driving inductive loads to protect against voltage spikes.
The IC is widely used for its capability to drive high-current loads with low-input signals, providing a simple interface between digital logic and high-power devices.
Here's a quick breakdown of its pin functions:
1. Pins 1-7 (Inputs 1-7): These are the inputs for the Darlington pairs. They typically receive signals from a microcontroller or other control logic.
2. Pin 8 (Ground): This is the common ground pin for the device.
3. Pins 9-15 (Outputs 1-7): These are the outputs connected to the collectors of the Darlington pairs. They drive the loads.
4. Pin 16 (COM): This is the common free-wheeling diode pin, often connected to the power supply when driving inductive loads to protect against voltage spikes.
The IC is widely used for its capability to drive high-current loads with low-input signals, providing a simple interface between digital logic and high-power devices.
Manufacturer
The ULN2003ADR2G is manufactured by ON Semiconductor. ON Semiconductor is a leading semiconductor supplier, specializing in energy-efficient electronics that power a wide range of applications, including automotive, industrial, cloud power, and Internet of Things (IoT). They provide semiconductors and integrated circuits to improve energy efficiency and enable sustainable technology solutions. The company is known for its focus on power management, analog, and sensor technologies.
Application
The ULN2003ADR2G is a popular Darlington transistor array used in various applications due to its ability to drive high current loads. Common application areas include:
1. Stepper Motor Drivers: It is frequently used to drive stepper motors in printers, robotic arms, and CNC machines.
2. Relay Drivers: Suitable for driving relays in automation systems and control circuits.
3. LED and Lamp Drivers: Used to control LED displays and lamps due to its high current sinking capability.
4. Solenoid Drivers: Employed in activating solenoids in vending machines and door locks.
5. Signal Amplification: Utilized in circuits requiring signal amplification for interfacing low power microcontrollers with higher power components.
1. Stepper Motor Drivers: It is frequently used to drive stepper motors in printers, robotic arms, and CNC machines.
2. Relay Drivers: Suitable for driving relays in automation systems and control circuits.
3. LED and Lamp Drivers: Used to control LED displays and lamps due to its high current sinking capability.
4. Solenoid Drivers: Employed in activating solenoids in vending machines and door locks.
5. Signal Amplification: Utilized in circuits requiring signal amplification for interfacing low power microcontrollers with higher power components.
Package
The ULN2003ADR2G is typically available in a SOIC-16 package, which is a Small Outline Integrated Circuit with 16 pins. This package type is suitable for surface-mount technology, making it ideal for compact circuit board designs.
