LMP8100MA/NOPB

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The LMP8100MA/NOPB is a high speed, low power, low noise, unity gain stable amplifier with a wide range of applications. It is especially suitable for applications in audio, video, and communications equipment that require fast settling time and low noise requirements.

The LMP8100MA/NOPB is an operational amplifier with a differential input stage, a unity gain buffer, an output offset voltage cancellation circuit, and a current-limited output stage. It is capable of driving loads from 0 pF to 20 pF. The output stage is protected from overloads and has an open-loop impedance of greater than 1000 ohms.

The LMP8100MA/NOPB is an ideal choice for low-power instrumentation and audio applications. Its lower offsets and lower power consumption make it an ideal choice for battery-powered applications.

Application Field

The LMP8100MA/NOPB is a low-power, low-noise, unity gain stable amplifier. It is suitable for low-power instrumentation, audio and video applications, medical instrumentation, communications equipment, control systems, data acquisition systems, test and measurement equipment and other applications requiring fast settling time and low noise requirements.

The LMP8100MA/NOPB is well-suited for low-pressure, low-noise transducer amplification, process control and sensing, current sourcing, and switching systems. It can also be used in motor control, process control and peak detection circuits.

Working Principle

The LMP8100MA/NOPB is an operational amplifier with a differential input stage, a unity gain buffer, and an output offset voltage cancellation circuit. The differential input stage consists of two input transistors that amplify the differential voltage across their base-to-emitter junctions. The output emitter of the transistors is connected to the output stage, which limits the output current and protects the amplifier from overcurrent situations. The output stage also has a current source and voltage clamping circuit to provide the output current and voltage limits.

The unity gain buffer is connected between the differential input stage and the output stage. It helps reduce the effect of input offsets, noise, and reduces the common mode voltage. The output offset voltage cancellation circuit helps reduce errors due to output offset errors by using two series connected diodes to reduce the voltage difference between the output and inverting input.

The LMP8100MA/NOPB is powered by either a +5V or a +3.3V power supply. It has a low operating voltage of 0.45V and a high common mode rejection ratio of 70dB. It operates with temperatures ranging from -55°C to +150°C. It is designed to offer fast settling time, high noise immunity, high slew rate, low power consumption, and flexibility.

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