TL084CN Operational Amplifier: Pinout, Circuits & Features[FAQs]

TL084CN Description

The TL084CN is a high-performance operational amplifier with low noise, high slew rate, and wide bandwidth. It provides precise analog signal processing and excels in applications that require minimal distortion and high fidelity, such as audio amplification and active filtering. With its high input impedance and low total harmonic distortion, the TL084CN is well suited for tasks such as audio preamplification, signal conditioning, and analog computing.

TL084CN Working

The TL084CN operates as a high-performance operational amplifier by using a differential input stage to amplify the difference between two input voltages. This op-amp features a high-gain configuration where the input signals are compared, and the resulting voltage difference is amplified by internal transistors and circuitry. The amplifier's high input impedance enables minimal loading on the signal source, while its low output impedance allows for effective driving of subsequent stages. 

TL084CN Pinout

TL084CN CAD Models

Symbol

Footprint

3D Model

TL084CN Schematic Diagram

TL084CN Application Circuits

Audio Distribution Amplifier

Positive Feedback Bandpass Filter

TL084CN Specification

Specification	Value
Type	Low-noise JFET-input operational amplifier
Number of Amplifiers	4 (quad package)
Input Offset Voltage	3 mV
Input Bias Current	20 pA
Input Offset Current	5 pA
Open-Loop Gain	100 dB
Slew Rate	13 V/µs
Gain-Bandwidth Product	3 MHz
Total Harmonic Distortion (THD)	0.01%
Power Supply Voltage	±5V to ±15V
Common-Mode Rejection Ratio (CMRR)	100 dB
Power Supply Rejection Ratio (PSRR)	100 dB
Output Current	25 mA
Package Type	14-pin DIP, SOIC-14
Temperature Range	0°C - 70°C

TL084CN Features

- Wide common-mode(up to VCC+) and differential voltage range

- Low input bias and offset current

- Output short-circuit protection

- High input imperdance J-FET input stage

- Internal frequency compensation

- Latch up free operation

- High slew rate: 16V/µs (typ)

TL084CN Package

TL084CN Manufacturer

The TL084CN operational amplifier is manufactured by Texas Instruments, a leading global semiconductor company known for its extensive range of analog and digital electronics. Texas Instruments, founded in 1951, specializes in developing and producing high-performance components for various applications, including industrial, automotive, consumer electronics, and communications. The 

How to Use TL084CN?

To use the TL084CN operational amplifier, first ensure that it is correctly connected in your circuit according to its pin configuration. The TL084CN features four op-amps in a single package, with each op-amp having its own set of pins for input, output, power supply, and compensation. Connect the power supply pins to your desired voltage, typically ±5V to ±15V to get proper polarity. The non-inverting (+) and inverting (−) inputs of each op-amp should be connected to the respective signal sources or feedback networks as per your circuit requirements. The output pin will provide the amplified signal.

For optimal performance, incorporate bypass capacitors close to the power supply pins to filter out noise and stabilize the power supply. Additionally, when configuring the op-amp in various applications, such as inverting, non-inverting amplifiers, or active filters, pay attention to the feedback network and component values to achieve the desired gain and frequency response. 

FAQs

How do I connect the TL084CN in an inverting amplifier configuration?

To configure the TL084CN as an inverting amplifier, connect the input signal to the inverting input pin (−) through a resistor, and connect a feedback resistor from the output pin to the inverting input. The non-inverting input pin (+) should be connected to ground. The gain of the amplifier is determined by the ratio of the feedback resistor to the input resistor.

What are the typical applications of TL084CN?

The TL084CN is commonly used in audio amplification, signal conditioning, active filters, and analog computing. 

What should I do if the TL084CN exhibits performance issues?

If the TL084CN shows performance issues, check for proper power supply connections, correct component values in the feedback network, and ensure that the input signals are within the specified range.