NJM2122M

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The NJM2122M is a single low-noise audio operational amplifier and is used in a variety of instrumentation and amplifier applications. It is often used as a direct input stage in active filters, signal conditioning circuits, and audio mixers. Its low noise and low offset voltage make it an ideal choice for many applications.

The NJM2122M combines a low noise, high gain architecture with high input impedance, outstanding bandwidth, and low offset voltage. It has an offset voltage of a few millivolts and an input noise voltage of 7nV/√Hz. Its high speed capability means it is well suited for active filtering, while its linearity and stability enables it to be used as a buffer amplifier.

The NJM2122M is designed to be used in applications where low distortion and noise are important. Its high common-mode rejection ratio (CMRR) ensures that external noise and cross-talk are minimized. It is highly stable and predictable; this makes it well-suited for use in applications requiring both precision and accuracy.

The NJM2122M has a wide signal range, from DC to 5kHz. It is a wideband amplifier, meaning that it can amplify signals from DC up to the Nyquist frequency. The gain-bandwidth product(GBP) of the NJM2122M is 1.9MHz. This high GBP allows for wide dynamic range and low noise in audio applications.

The NJM2122M is a direct coupled, class A amplifier. This means that it has a large bandwidth and low noise. The direct coupled design eliminates the need for a frequency-compensating capacitor, reducing cost and improving stability. Additionally, the NJM2122M is also able to compensate for changes in temperature or manufacturing tolerances, due to its temperature-compensated design.

The NJM2122M is a single-supply amplifier, meaning that it requires only a single power supply for operation. It has a quiescent current of 2mA, and a power supply voltage range of 4.75V to 6V. It has an offset voltage of a few millivolts and can operate from -40°C to +85°C, making it very efficient in terms of power consumption and temperature range.

The NJM2122M is also very economical in terms of cost. It is not only affordable, but also offers excellent sound quality, low offset voltage, high input impedance, and high gain. Its high input impedance and low noise make it suitable for applications such as active filters, signal conditioning circuits, and audio mixers, making it an attractive option for many types of low-power applications.

In summary, the NJM2122M is an excellent low-noise audio operational amplifier, suitable for a wide range of linear amplification, instrumentation, and buffer applications. Its low noise and low offset voltage, combined with its wide signal range, make it an ideal choice for low-power applications. Its High GBP and temperature-compensated design make it suitable for applications requiring high precision or accuracy. Additionally, it is also very cost-effective, making it an ideal choice for many audio applications.

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