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What Is the LF353N Op-Amp?

Operational amplifiers are a form of integrated circuit capable of amplifying weak electric signals, boasting an output that is upwards of 100,000 times the potential difference of the input terminals. They were first developed in 1968 by Fairchild, such products featuring high reliability, low cost, low power consumption, and compact packaging. This eventually led to the release of the Texas Instrument LF353N, that of which is a type of dual JFET op-amp with high input impedance and JFET connected inputs. In this blog, we will discuss the LF353N op-amp in more detail, allowing you to better understand its operations and applications.

The LF353N op-amp features an internally trimmed offset voltage, and it serves as an integrated chip that is high-speed and cost-effective. When they are given a low supply current, the JFET input op-amp features a high slew rate and high gain-bandwidth. On the other hand, high voltage will ensure minimal offset and input bias currents. If one is concerned about the compatibility of such products, they may be used with LM1558 and LM358 op-amps.

In order to connect the LF353N op-amp, it requires a high voltage JFET. With this configuration, the op-amp benefits applications that involve fast audio switching, low noise, and low power, such as in dual power supplies. As the op-amp also ensures a low input noise level and low bias current, it can be used for various audio amplifier applications. Generally, they are most present within analogue circuits and audio circuits as their output voltage is limited to a range of 0.7 to 1.5 volts based on the supply.

As with all integrated circuits and similar hardware types, it is important that one is aware of the pin configuration for optimal implementation and operations. Across the component, there is an output terminal for amplifier A, input terminal for amplifier A, non-inverting input terminal for amplifier A, common ground connection, non-inverting input terminal for amplifier B, inverting input terminal for amplifier B, output terminal for amplifier B, and a positive voltage supply for the chip. For its packaging, one may procure the JFET dual op-amp in either PDIP or SOIC packages.

Alongside pin configuration, it can also be beneficial to have a general understanding of the important technical specifications of a standard amplifier. For the operating temperature of the LF353N op-amp, such components may function between 0°C and 70°C. Meanwhile, the short temperature range is -65°C to 150°C. For the input voltage, the op-amp may operate on a range of ±15V. Meanwhile, the differential input voltage is ±30V, while the power supply voltage Vcc is ±18V. Alongside such details, there are other various specifications that one should be aware of before they attempt to make an installation so as to ensure compatibility and operability.

Whether you have a low noise audio circuit, high input impedance circuit, high-speed integrator, or other such devices, the LF353N op-amp can be a very beneficial component with its various capabilities. AFR Enterprises is a leading supplier of LF353N op-amp parts and components, providing top quality items that have been sourced from global manufacturers that we trust. Prior to shipping any part, we ensure that it has undergone all necessary quality assurance measures to guarantee reliability and authenticity. Furthermore, all orders ship out alongside their applicable qualifying certifications and manufacturing trace documentation. As a result of our steadfast commitment to quality assurance and export compliance, we proudly conduct operations with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation. Get started on the purchasing process with a competitive quote for your comparisons which you may receive through the submission of an RFQ form as provided on our website.


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September 15, 2021
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