NJU7004D#

Series:	--
Packaging:	Tube
Part Status:	Active
Amplifier Type:	General Purpose
Number of Circuits:	4
Output Type:	--
Slew Rate:	0.05 V/µs
Gain Bandwidth Product:	100kHz
Current - Input Bias:	1pA
Voltage - Input Offset:	10mV
Current - Supply:	15µA
Voltage - Supply, Single/Dual (±):	1 V ~ 16 V
Operating Temperature:	-20°C ~ 75°C
Mounting Type:	Through Hole
Package / Case:	14-DIP
Supplier Device Package:	14-DIP

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NJU7004D Instrumentation

The NJU7004D is a monolithic operational amplifier (op-amp) and buffer amplifier from the NJR (New Japan Radio) series of linear amplifiers. It is one of their most popular op-amps, and is used in a wide range of applications such as audio, robotics, and instrumentation. This article will discuss the NJU7004D’s application field and working principle.

Application Field

The NJU7004D is a high-performance op-amp and buffer amplifier that can be used in a wide range of applications. In audio systems, it can be used as a headphone amplifier, providing a powerful and clear sound quality. The amplifier can also be used in robotics, where it can be used to power servos, DC motors and steppers. In instrumentation, it is used in applications such as current sensing, signal isolation and signal conditioning.

Working Principle

The NJU7004D is a single-supply op-amp, which means that it operates from either positive or negative power supplies. It has an extremely wide gain bandwidth product of 8.4 MHz and a low supply current of less than 6 mA. It has an open-loop gain of 150 and a slew rate of 0.4 V/us. It features an offset manual null and is externally compensated for intuitive performance. The NJU7004D also has internal frequency compensation, which allows it to dampen most high-frequency oscillations. This helps reduce noise and distortion, resulting in improved signal fidelity. The amplifier also has an excellent slew rate, input voltage range and noise level, making it well-suited for use in instrumentation applications.

Conclusion

The NJU7004D is a high-performance operational amplifier and buffer amplifier that can be used in a wide range of applications such as audio, robotics, and instrumentation. It has an extremely wide gain bandwidth product of 8.4 MHz, a low supply current of less than 6 mA, an open-loop gain of 150, and a slew rate of 0.4V/us. It also has an internal frequency compensation which helps reduce noise and distortion. This makes the NJU7004D an excellent choice for instrumentation applications.

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