STMicroelectronics

TL084CDT

The TL084CDT is a high-performance, quad operational amplifier (op-amp) manufactured by STMicroelectronics. It is a member of the TL084 family of op-amps, which are known for their precision and low distortion characteristics. Here is a detailed description of the TL084CDT, including its features and applications:

Description:

The TL084CDT is a 14-pin DIP (Dual In-line Package) quad operational amplifier that offers excellent DC characteristics, high bandwidth, and low distortion. It is designed to operate over a wide range of supply voltages (±3V to ±18V) and temperatures (-40°C to +125°C). The device consists of four independent op-amps, making it suitable for a variety of applications where multiple amplification channels are required.

Features:

1. High Precision: The TL084CDT offers precision performance with low input offset voltage (typically 1mV) and low input bias current (typically 1pA).
2. Low Distortion: It provides low harmonic distortion (typically 0.01% at 1kHz) and low total harmonic distortion plus noise (THD+N, typically -93dB at 1kHz).
3. Wide Supply Voltage Range: The device can operate with supply voltages ranging from ±3V to ±18V, making it suitable for a variety of power supply configurations.
4. High Input Impedance: The TL084CDT has high input impedance, which is beneficial for applications where high source impedance is present.
5. Slew Rate: It features a high slew rate of 8V/µs, allowing it to handle fast-changing input signals.
6. Output Current Drive: The device can provide a short-circuit output current of ±100mA, which is useful for driving low-impedance loads.
7. Temperature Range: The TL084CDT is designed to operate over a wide temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.
8. DIP Package: The 14-pin DIP package is easy to handle and allows for through-hole soldering, which is beneficial for prototyping and repair.

Applications:

1. Audio Amplification: Due to its low distortion and high precision, the TL084CDT is commonly used in audio amplifiers and preamplifiers.
2. Precision DC and AC Amplification: The device is suitable for applications requiring high precision amplification, such as sensor signal conditioning and medical instrumentation.
3. Filter Design: The TL084CDT can be used to design various types of filters, including low-pass, high-pass, band-pass, and band-stop filters.
4. Signal Processing: It is used in signal processing applications, such as active filters, sample-and-hold circuits, and waveform generation.
5. Automotive Applications: The wide temperature range and robust performance make the TL084CDT suitable for automotive sensor conditioning and control systems.
6. Industrial Control Systems: The device can be used in industrial control systems for signal amplification and conditioning in harsh environments.
7. Instrumentation: The TL084CDT is suitable for use in precision instrumentation, such as oscilloscopes, multimeters, and data acquisition systems.

In summary, the TL084CDT is a versatile and high-performance quad operational amplifier that offers precision, low distortion, and a wide range of operating conditions. Its features make it suitable for a variety of applications, including audio amplification, precision signal processing, and industrial control systems.