LM1458N

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Amplifier Type:	General Purpose
Number of Circuits:	2
Output Type:	--
Slew Rate:	0.5 V/µs
Current - Input Bias:	80nA
Voltage - Input Offset:	2mV
Current - Supply:	2.3mA
Current - Output / Channel:	20mA
Voltage - Supply, Single/Dual (±):	--
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP
Base Part Number:	LM1458

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LM1458N Application Field and Working Principle

Introduction

The LM1458N is a dual low-voltage, high-performance operational amplifier and is part of the Linear-Amplifiers-Instrumentation, OP Amps, Buffer Amps classification. The device’s two independent high-performance op amps provide an output voltage gain of 10 V/V (or 10 dB). With its high input impedance, the LM1458N is a suitable choice for many applications requiring precision amplification and buffering. This article will discuss the LM1458N’s application field and working principle.

Application Field

The LM1458N is a popular linear amplifier choice for a wide range of applications. It offers excellent performance characteristics and is suitable for applications requiring high input impedance and low-noise operation. The LM1458N is also ideal for signal conditioning and signal buffering. It is suitable for audio-level signal conditioning with frequency ranging up to 20 kHz, and can also be used in negative-feedback systems with signal ranges up to 10V.One of the most important applications of the LM1458N is in sensor-based measurement systems. In such systems, the LM1458N’s high-impedance inputs allow it to maintain maximum linearity, thus providing accurate and reliable measurements. By using the LM1458N in conjunction with other components, these systems are able to make accurate measurements of low-level signals for various applications.When it comes to audio, the LM1458N is used in a variety of audio applications including amplifier circuits, graphic equalizers, and tone controls. Its low noise-output makes it ideal for these types of audio applications.

Working Principle

The LM1458N is an integrated circuit that consists of two independent, high-performance operational amplifiers (op amps). When it enters an input signal via one of its two inputs, its op-amp amplifies the signal and provides an output voltage gain of 10 V/V (or 10 dB). In addition, the LM1458N has a wide signal range, with signal levels ranging up to 10V, which makes it suitable for signal conditioning applications.The device is also equipped with a differential gain of 10V/V, which ensures that its output voltage matches its input voltage regardless of the output signal level. Additionally, the LM1458N has a frequency response of 10 kHz to 3 MHz, which makes it suitable for audio-level signal conditioning applications.Lastly, the LM1458N is capable of providing a high input impedance, which is important in most applications that require precision amplification. This is because the high input impedance of the LM1458N results in minimal signal loss, thus allowing the amplifier to maintain maximum linearity and accuracy.

Conclusion

In conclusion, the LM1458N is an excellent choice for a wide range of applications. It is a dual low-voltage, high-performance operational amplifier and is part of the Linear-Amplifiers-Instrumentation, OP Amps, Buffer Amps classification. The device has a wide signal range with signal levels ranging up to 10V, and can provide an output voltage gain of 10 V/V (or 10 dB). In addition, the LM1458N has a high input impedance and a frequency response of 10 kHz to 3 MHz, which make it suitable for signal conditioning and audio applications.

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