Product Overview: ULN2004ANSR by Texas Instruments

The ULN2004ANSR is a high-voltage, high-current Darlington transistor array designed by Texas Instruments to address a wide range of applications that require interfacing low-level logic to high-power loads. This integrated circuit (IC) is part of the ULN200xA series and is particularly suited for driving inductive loads such as relays, solenoids, stepping motors, and other high-current or high-voltage loads in a variety of industrial, consumer, and computing applications.

Key Features

• Seven Darlington Pairs: The IC consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
• High Current Capability: Each pair is capable of driving loads up to 500mA, with a peak current of 600mA, making the device suitable for driving a wide range of high-power components.
• Output Voltage: The collector-emitter voltage rating of 50V supports interfacing with a variety of high-voltage systems.
• Input Compatibility: The inputs are compatible with a range of logic levels, from 5V TTL to CMOS technologies, allowing for easy integration with microcontrollers and other logic controllers.
• Integrated Suppression Diodes: Built-in diodes for inductive transient suppression protect the device and the load during switching events, enhancing system reliability.

Applications

• Relay Drivers
• Stepper and DC Brushed Motor Drivers
• Lamp Drivers
• LED Displays and Signage
• Line Drivers
• Logic Buffers

Product Specifications

The ULN2004ANSR operates over a temperature range of -20°C to 70°C and is available in a 16-pin SOIC package, which is suitable for surface-mount technology (SMT) assembly processes. Its design ensures ease of use and reliability, making it a preferred choice for designers and engineers looking to create robust and efficient electronic systems.

As a product of Texas Instruments, a leader in semiconductor solutions, the ULN2004ANSR benefits from the company's commitment to quality and performance. Whether for prototyping or mass production, this Darlington transistor array offers a compact, cost-effective solution for driving high-power loads with logic-level signals.