NJU7021D

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Amplifier Type:	General Purpose
Number of Circuits:	1
Output Type:	--
Slew Rate:	0.4 V/µs
Gain Bandwidth Product:	400kHz
Current - Input Bias:	1pA
Voltage - Input Offset:	10mV
Current - Supply:	150µA
Voltage - Supply, Single/Dual (±):	3 V ~ 16 V
Operating Temperature:	-20°C ~ 75°C
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

。

NJU7021D Application Field and Working Principle

Linear Amplifiers

The NJU7021D is classified as a linear amplifier, which means that it can be used to increase the power of a signal without distorting its waveform. This makes it ideal for a variety of applications, such as radio frequency amplifiers, power audio amplifiers, and high-voltage amplifiers. The amplifier has a slew rate of up to 35 V/µs, making it capable of handling wide bandwidth signals with minimal distortion.

Instrumentation

The NJU7021D is often used in instrumentation, owing to its low noise and precision. Its wide gain and bandwidth makes it suitable for measuring signals from very low frequencies all the way up to MHz frequencies. This makes it ideal for use in test and measurement equipment, medical equipment, and scientific instruments.

Operational Amplifiers (Op-Amps)

The NJU7021D is also a popular choice for use in operational amplifiers (op-amps). Op-amps are special circuits used for amplifying and buffering signals. The NJU7021D has a low operating current, making it ideal for applications that require high accuracy and stability. It can be used in analog-to-digital circuits, analog filter circuits, multiple-input summing circuits, and active filter circuits.

Buffer Amplifiers

Buffer amplifiers are used to isolate circuits from each other while allowing them to interact. The NJU7021D is a popular choice for buffer amplifier applications owing to its high input impedance and low output impedance. This makes it ideal for use in applications such as audio mixing consoles, analog-to-digital converters, and transmission line interfaces.

Working Principle

The NJU7021D is a class-AB linear amplifier that uses N-channel MOSFET transistors to amplify the input signal. The MOSFETs are configured in a push-pull configuration, meaning that the output stage is composed of two transistors which are responsible for amplifying the input. The amplifier is designed to be stable in both power and frequency, allowing it to handle wide bandwidth signals with minimal distortion.The input and output stages of the amplifier are buffered by an integrating active filter which helps reduce the amount of noise present in the signal. This filter is formed by a series of resistors and capacitors that are used to shape the frequency response of the amplifier.The NJU7021D has a slew rate of up to 35 V/μs, which means that it is capable of amplifying fast changing signals such as clock signals and audio signals with minimal distortion. Its low power consumption and wide gain and bandwidth makes it ideal for use in a variety of applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description