NJM13404D

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NJM13404D Application Field and Working Principle

NJM13404D is a type of linear amplifier which is used in Instrumentation, OP amps, buffer amplifiers. It is a differential line driver capable of driving various types of loads such as reactive, active and floating loads. This device takes a differential input signal and produces both a single-ended and differential output.

The NJM13404D performs highly precise and high frequency operation, and features low distortion, low crosstalk and low power consumption when driving line up to 250Ω loads. It has a wide operating temperature range of between -40°C and 85°C and is able to provide a high slew rate of 12V/µs.

Working Principle

NJM13404D works on the principle of differential amplifiers. It is essentially a two channel amplifier circuit where each channel amplifies the input differential signal differently. In the NJM13404D, one of the differential inputs is inverted and applied to one of the amplifiers while another input goes to the other amplifier with no inversion. The two outputs are then combined and the result is the output of the amplifiers.

The NJM13404D provides a very high input impedance on each channel, typically greater than 10MΩ, thereby allowing maximum signal to be delivered to the output. It also features a very low output impedance, typically less than 10Ω, granting a higher output power. Additionally, it operates on principles of linearity, meaning it amplifies the signal linearly, without introducing distortion.

The NJM13404D also incorporates an integrated voltage regulator on the chip that provides a bias voltage to the internal circuitry. This makes it suitable for applications with a varying power supply, enabling a stable and continuous linear amplification. In case of a power supply breakdown, the device can reset itself to its default settings and resume normal operation.

Applications

NJM13404D is widely used in applications where precise amplification of differential signals is required. It is ideal for use in digital devices, medical equipments, audio amplifiers, and power supplies. Additionally, it is well suited for driving various types of loads such as reactive, active and floating loads. As a result, it is widely used in various data acquisition systems, wireless communication systems and audio systems.

Furthermore, it can also be used as a power amplifier, providing enough power to drive large speakers and monitors. NJM13404D also offers low power consumption and minimal heat generation, making it perfect for battery powered systems, such as those used in portable audio devices and mobile phones. The low power consumption and high input impedance on each channel also makes it ideal for use in low power mobile communication systems.

Overall, the NJM13404D is a highly versatile and efficient amplifier chip suitable for a wide variety of applications. Its low power consumption, wide temperature range and linearity makes it ideal for a variety of consumer and industrial applications.

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