TL084 is a JFET input Op-Amp with high input impedance and low offset current and offset voltage making it ideal in amplification applications. The Op-Amp is very similar to TL074 but has high noise immunity and better offset characteristics.
The TL084 is a Quad Package Operational Amplifier, meaning it has four Op-Amps inside it and each Op-Amp can be used independently. The main distinguishing feature of the TL084 Op-Amp is that they incorporate high-voltage JFET and bipolar transistors which helps the transistor to have very high input impedance and low bias current. Also this Op-Amp has low noise and harmonic distortion making it an ideal choice for audio pre-amplifiers. So if you are looking for an Op-Amp IC with Quad package and JFET driven then this IC might be the right choice for you.
Pin Configuration
Pin Number 1,7,10,16(Op-Amp Output Pins)These are the output pins of the four Op-Amps
Pin Number 2,6,11,15(Input Inverting Pins)These are the input inverting pins of the four Op-Amps
Pin Number 3,5,12,14(Input Non-Inverting Pins) These are the input non-inverting pins of the four Op-Amps
Pin Number 4(Vcc (+)) Positive Supply Rail of the Op-Amp
Pin Number 13(Vcc (-)) Negative Supply Rail of the Op-Amp
Applications
Circuit requiring high input impedance
Amplifier Circuits
Buffer application
Audio pre-amplification
Multi-stage Voltage generators
Audio/noise filter circuits
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