LF353N/NOPB

Introduction

The LF353N/NOPB is a general purpose low power dual JFET input operational amplifier. It is available in an 8-pin DIP, plastic and SOIC packages. The LF353N/NOPB is also pin compatible with industry standard 741/LF-741. This dual op-amp, capable of driving up to ±7V and sinking or sourcing up to 35mA, provides excellent overall performance including AC characteristics. The LF353N/NOPB is available in a five-leaded PLCC surface mount package.

Application Field and Working Principle

The LF353N/NOPB is suitable for a wide range of applications including active filters, DC gain blocks, servo amplifiers and other linear applications. The amplifier has a very flexible supply voltage range of ±3V to ±18V, which allows it to be used in battery-powered applications. It also includes short circuit protection and provides excellent frequency response and low noise operation. The input impedance of the LF353N/NOPB is extremely high and allows for direct connection to low impedance sources. Low input voltage and current noise levels, together with low supply current make it ideal for precision linear circuits.

The LF353N/NOPB features a dual JFET input stage for low noise operation, discrete output transistors for high slew rates, and low supply current for maximum battery life. The LF353N/NOPB is unity gain stable and it provides a large amount of open loop gain to ensure superior stability. The amplifier has a good overload response and a high input impedance, making it suitable for AC coupling applications. The LF353N/NOPB has a low output impedance, making it ideal for driving high impedance loads.

Conclusion

The LF353N/NOPB is a general purpose low power dual JFET input operational amplifier that is suitable for a wide range of linear applications. It has a very flexible supply voltage range that allows it to be used in battery-powered applications. It features a dual JFET input stage for low noise operation and discrete output transistors for high slew rates. The LF353N/NOPB has a low output impedance, making it ideal for driving high impedance loads. It also includes short circuit protection and provides excellent frequency response and low noise operation.