LM8261M5/NOPB

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The LM8261M5/NOPB is a voltage follower integrated circuit from Texas Instruments commonly used as an instrumentation amplifier or input buffer within a variety of industrial and commercial applications. The part is available in an 8-pin plastic DIP or SOIC package and is rated for a supply voltage ranging anywhere from 4.5V to 32V.

Features

• Low Current Consumption
• Low Input Bias Current
• Low Output Impedance
• Low Operating Voltage
• High Output Swing
• High Slew Rate
• Wide Temperature Range of - 40 ˚C – 85 ˚C

Application Field

The LM8261M5/NOPB is used in a variety of industrial and commercial applications, including but not limited to audio preamps and power amplifiers, instrumentation amplifiers, medical instruments, telecommunications equipment, LED lighting, low-voltage ADC and DAC input logic circuits, and precision op amps. It’s also beneficial for computer circuits and logic clocking circuits.

Working Principle

The LM8261M5/NOPB is a voltage follower amplifier with a unity gain output. It can be used to buffer a signal from a low impedance device input to a higher impedance receiver or as a unity gain inverter. The operating voltage of the LM8261M5/NOPB is 4.5V to 32V and it has a low-noise gain bandwidth of 3.5MHz. It also has a high slew rate of 9V/µs and is an excellent choice for applications that require high input impedance, low output impedance, low power consumption, and high speed.

The output of the LM8261M5/NOPB follows the input with a gain of 1 and can drive up to a 300mA load. The device offers low input bias current, typically 12nA, and a low offset voltage of typically 80µV. The common-mode rejection ratio is 78dB, and the power supply rejection ratio is 90dB.

Conclusion

The LM8261M5/NOPB is an 8-pin voltage follower amplifier that can be used in a variety of industrial and commercial applications, including audio preamps, power amplifiers, instrumentation amplifiers, medical instruments, telecommunications equipment, and precision op amps. The part offers excellent input impedance, low output impedance, low power consumption, and high speed, making it an excellent choice for applications requiring high levels of precision and accuracy.

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