Texas Instruments

LM2902KDBR

LM2902KDBR Description

The LM2902KDBR is a general-purpose operational amplifier (op-amp) designed by Texas Instruments, featuring four independent circuits in a 14-lead small outline package (14SSOP). This IC is optimized for a wide range of applications requiring high performance and reliability. Despite being marked as obsolete, the LM2902KDBR remains a popular choice due to its robust design and versatile specifications.

LM2902KDBR Features

• Supply Voltage Range: The LM2902KDBR operates within a wide supply voltage range of 3V to 26V, making it suitable for various power supply configurations.
• Gain Bandwidth Product: With a gain bandwidth product of 1.2 MHz, this op-amp ensures high-frequency performance, ideal for signal processing applications.
• Low Input Bias Current: The low input bias current of 20 nA minimizes the impact on sensitive input signals, ensuring accurate amplification.
• High Slew Rate: A slew rate of 0.5V/µs allows for fast response times, making it suitable for applications requiring rapid signal transitions.
• Low Input Offset Voltage: The low input offset voltage of 3 mV ensures high accuracy in signal amplification, reducing errors in precision circuits.
• Supply Current: The low supply current of 1.4mA (x4 channels) ensures efficient power usage, making it suitable for battery-operated or low-power systems.
• Output Current Capability: Each channel can deliver up to 30 mA of output current, providing sufficient drive capability for various loads.
• Compliance and Packaging: The LM2902KDBR is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a surface-mount package (Tape & Reel), facilitating easy integration into modern PCB designs.

LM2902KDBR Applications

The LM2902KDBR is well-suited for a variety of applications due to its versatile specifications and performance characteristics. Some key applications include:

• Signal Processing: Ideal for amplifying and conditioning signals in audio, instrumentation, and control systems.
• Precision Measurement: Suitable for precision circuits where low input offset voltage and low bias current are critical.
• Power Management: The wide supply voltage range and low supply current make it suitable for power management applications in portable devices.
• General Purpose Amplification: The general-purpose nature of the LM2902KDBR makes it a versatile component for a wide range of electronic circuits.

Conclusion of LM2902KDBR

The LM2902KDBR is a robust and versatile operational amplifier that offers a combination of high performance and reliability. Its wide supply voltage range, low input bias current, and high slew rate make it suitable for a variety of applications, from precision measurement to general-purpose amplification. Despite being marked as obsolete, the LM2902KDBR remains a reliable choice for engineers and designers looking for a proven solution in their electronic designs.