NJM13404D#

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The NJM13404D is an operational amplifier (op amp) with a voltage buffer amplifier (VBA). It is a type of linear amplifier that is used in a wide array of instrumentation. The amplifier supports a common-mode input voltage range between 4 and 36 volts and a single-ended output voltage range between 6 and 48 volts. It utilizes a combination of a voltage follower and an op-amp to provide a high input impedance and a low output impedance.

The design of the NJM13404D is composed of a pair of matched high-voltage FETs (field effect transistors) which are internally connected to increase the output current capability. They are located near the input and feedback terminals of the amplifier and act as transimpedance amplifiers. The FETs convert the input signal from a voltage to a current, which is then amplified and then converted back to a voltage at the output.

The amplifier utilizes a Unity-Gain-Stability feedback network to ensure stability when used with a variety of open loop gains. The amplifier also provides protection from over-voltage, over-current, and short-circuit conditions. The output is protected from parasitic capacitance, which can reduce the operating frequency and limit the amplifier\'s output current.

The NJM13404D operates as a voltage buffer amplifier, meaning that it takes an input signal and amplifies it without altering its shape or frequency. This is important in instrumentation because the accuracy and stability of the measurement is a critical factor. The amplifier also utilizes low noise components, which helps to keep noise levels low, ensuring clean and accurate measurements.

The NJM13404D is ideal for applications that require a low-noise and low-power amplifier. It is ideally suited for use with low voltage, high current, and low output impedance. Additionally, it can be used for voltage or current mode signals, making it a versatile solution for a number of instrumentation applications.

In summary, the NJM13404D is a linear amplifier that is ideal for use in a wide array of instrumentation applications. It is a voltage buffer amplifier that operates as a transimpedance amplifier, converting an input voltage to a current and then back to a voltage at the output. It is also equipped with protection from over-voltage, over-current and short-circuit conditions. Finally, it is a low-noise, low-power amplifier that is suited for applications with low voltage, high current, and low output impedance.

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