TL084CD

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Operational Amplifier
Characteristics: High input impedance, low output impedance, high gain, wide bandwidth
Package: DIP-14 (Dual In-Line Package with 14 pins)
Essence: Quad JFET Input Operational Amplifier
Packaging/Quantity: Available in tubes or reels, typically sold in quantities of 25 or more

Specifications

Supply Voltage Range: ±3V to ±18V
Input Offset Voltage: 3 mV (maximum)
Input Bias Current: 30 nA (maximum)
Input Offset Current: 5 nA (maximum)
Gain Bandwidth Product: 3 MHz (typical)
Slew Rate: 13 V/µs (typical)
Common Mode Rejection Ratio: 70 dB (typical)
Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

Non-Inverting Input (Pin 3)
Inverting Input (Pin 2)
Output (Pin 1)
VCC+ (Positive Power Supply)
Offset Null (Used for offset voltage adjustment)
Inverting Input (Pin 5)
Non-Inverting Input (Pin 6)
VCC- (Negative Power Supply)
Output (Pin 7)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
Offset Null (Used for offset voltage adjustment)

Functional Features

Low input bias and offset currents
Wide common-mode and differential voltage ranges
Low power consumption
High slew rate and bandwidth
Internal frequency compensation
Short-circuit protection

Advantages and Disadvantages

Advantages: - High input impedance allows for accurate signal amplification - Low output impedance enables driving of low impedance loads - Wide bandwidth ensures faithful reproduction of high-frequency signals - Internal frequency compensation simplifies circuit design

Disadvantages: - Limited supply voltage range compared to some other operational amplifiers - Relatively high input offset voltage may require additional calibration in precision applications

Working Principles

The TL084CD is a quad JFET input operational amplifier. It utilizes junction field-effect transistor (JFET) technology in its input stage, which provides high input impedance and low input bias current. The JFET input stage is followed by a bipolar transistor amplifier that provides high gain and wide bandwidth. The internal frequency compensation ensures stability and simplifies external circuitry requirements.

Detailed Application Field Plans

The TL084CD is commonly used in various audio and instrumentation applications, including: - Audio preamplifiers - Active filters - Signal conditioners - Voltage followers - Instrumentation amplifiers - Oscillators - Comparators

Detailed and Complete Alternative Models

Some alternative models to the TL084CD include: - TL074: Similar quad JFET input operational amplifier with lower power consumption - LM324: Quad operational amplifier with similar characteristics but different pin configuration - OP07: Precision operational amplifier with lower input offset voltage and higher common-mode rejection ratio

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TL084CD dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TL084CD in technical solutions:

Q: What is TL084CD? A: TL084CD is a quad operational amplifier (op-amp) that is commonly used in various electronic circuits.
Q: What is the voltage supply range for TL084CD? A: The voltage supply range for TL084CD is typically between ±5V and ±18V.
Q: What is the maximum output current of TL084CD? A: The maximum output current of TL084CD is around 40mA.
Q: Can TL084CD be used as a voltage comparator? A: Yes, TL084CD can be used as a voltage comparator due to its high input impedance and rail-to-rail output swing.
Q: Is TL084CD suitable for audio applications? A: TL084CD is not specifically designed for audio applications, but it can be used in low-frequency audio circuits.
Q: Can I use TL084CD in single-supply applications? A: Yes, TL084CD can be used in single-supply applications by connecting the non-inverting input to a reference voltage.
Q: What is the typical bandwidth of TL084CD? A: The typical bandwidth of TL084CD is around 1MHz.
Q: Can TL084CD operate at high temperatures? A: TL084CD has a wide operating temperature range, typically from -40°C to +125°C, making it suitable for high-temperature environments.
Q: Can I use TL084CD in precision applications? A: TL084CD is not known for its precision characteristics, so it may not be the best choice for precision applications.
Q: Are there any recommended alternatives to TL084CD? A: Yes, some alternatives to TL084CD include TL074, LM324, and OP4177, depending on the specific requirements of your application.

Please note that these answers are general and may vary based on specific circuit designs and applications.