NJM2135M-TE1

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NJM2135M-TE1 Application Field and Working Principle

NJM2135M-TE1, a monolithic integrated circuit (IC) released by New Japan Radio, is a high-performance, low-distortion, high-speed audio amplifier and a member of their "JRC" series. It is classified under the linear amplifiers, audio category.

The primary purpose of NJM2135M-TE1 is to amplify audio signals. It can be used in various applications including the amplification of digital codec (CODEC) audio signals, sound cards in computers, and multimedia systems. It can also be used as an initial stage amplifier for sound systems such as motion pictures, television dramas, live concerts, and other audio equipment.

NJM2135M-TE1 Specifications

NJM2135M-TE1\'s combination of excellent characteristics make it suitable for many different applications. It has a high voltage gain of 75 dB and a low distortion level of less than 0.008% THD. It also has a low noise level of 75uVp-p and high slew rate of 1V/us. Additionally, this IC is equipped with short-circuit protection and can function over a wide temperature range between -30°C to +85°C. It is supplied in a small 8-pin SOP or TO-223 package, making it ideal for a variety of space-limited devices.

Working Principle

NJM2135M-TE1 amplifies audio signals by using a two-stage non-inverting amplifier configuration. The first stage is a common-source amplifier and is composed of two complementary MOS transistors. It also has an operational amplifier (M7) used for output feedback to provide a large voltage gain and low output impedance. The second stage is a class B output amplifier that is used to drive the load. The output of this amplifier is connected to the load through a current source, which forms the bias reference for the output stage.

Conclusion

NJM2135M-TE1 is a high-performance audio amplifier released by New Japan Radio. It contains two amplification stages and can provide a wide range of gains and a low distortion level. It is suitable for amplifying digital CODEC audio signals, sound cards in computers, multimedia systems and sound systems in motion pictures, television dramas and live concerts. Overall, NJM2135M-TE1 is an excellent and versatile IC that is suitable for many audio-related applications.

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