NJM2267M

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NJM2267M is an IC product developed for NICAM and AM sound demodulators by New Japan Radio. It is a low-power dual low-noise operational amplifier and a high gain, low-distortion video amplifier module. It is categorized as a video amplifier module belonging to the linear amplifier family.

NJM2267M has a low-power low-noise linear amplifier consisting of two channels, and is suitable for applications such as NICAM and AM sound demodulators. It is used in television, DVD players, and other consumer electronics devices.

In terms of performance, NJM2267M has a wide operating range of 2.7V to 14V, low supply current of less than 500µA, low offset voltage of 10mV maximum, and low noise voltage of 2µVrms. Its excellent performance makes it suitable for NICAM, AM sound demodulator, digital signal processing, multi-function product development and other related applications.

NJM2267M also has a low distortion and a high-gain video amplifier module. With a typical value of 85dB gain, it is suitable for both input signals of PAL and NTSC formats. This makes it an ideal solution for video signal demodulation, video signal pre-amplification and Karaoke machines.

NJM2267M\'s working principle is based on the negative feedback configuration. This configuration allows the respective negative feedback signals from the input and output of the circuit to be converted into an output voltage and a control voltage. This control voltage is used to adjust the gain of the amplifier output. By carrying out two-stage amplification and barrel feeding back, the voltage gain of the amplifier can be precisely determined.

Since NJM2267M has a low-power low-noise linear amplifier and a high-gain low-distortion video amplifier module, it is a very useful device for applications such as NICAM and AM sound demodulators, video signal pre-amplification, Karaoke machines, digital signal processing and more.

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