TL084IPT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High input impedance, low output impedance, high gain, wide bandwidth
• Package: TSSOP-14
• Essence: Quad JFET-input operational amplifier
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±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 +125°C

Detailed Pin Configuration

1. Non-Inverting Input (Pin 3)
2. Inverting Input (Pin 2)
3. Output (Pin 1)
4. VCC+ (Positive Power Supply)
5. Offset Null (Pin 5)
6. Inverting Input (Pin 6)
7. Non-Inverting Input (Pin 7)
8. VCC- (Negative Power Supply)
9. Output (Pin 14)
10. Inverting Input (Pin 13)
11. Non-Inverting Input (Pin 12)
12. VCC+ (Positive Power Supply)
13. Offset Null (Pin 11)
14. Inverting Input (Pin 10)

Functional Features

• Low noise and distortion
• Wide common-mode and differential voltage ranges
• High slew rate for fast signal amplification
• High input impedance for minimal loading effects
• Short-circuit protection
• Internal frequency compensation

Advantages

• Versatile and widely used in various applications
• Stable and reliable performance
• Low power consumption
• Compact size and easy to integrate into circuits

Disadvantages

• Limited output current capability
• Requires external compensation for certain applications
• Sensitive to electrostatic discharge (ESD)

Working Principles

The TL084IPT is a quad JFET-input operational amplifier that amplifies the difference between its two input voltages. It utilizes JFET (junction field-effect transistor) technology to achieve high input impedance, low input bias current, and low offset voltage. The internal circuitry provides gain, buffering, and voltage amplification to accurately reproduce the input signal at the output.

Detailed Application Field Plans

1. Audio Amplification: The TL084IPT can be used in audio amplifiers to amplify weak audio signals from sources such as microphones or musical instruments.
2. Signal Conditioning: It is suitable for conditioning sensor signals in various applications, including temperature measurement, pressure sensing, and light detection.
3. Active Filters: The operational amplifier can be used to implement active filters for frequency selection and signal shaping in communication systems and audio equipment.
4. Instrumentation Amplifiers: The TL084IPT can be employed in instrumentation amplifiers to accurately measure small differential voltages in precision measurement systems.
5. Voltage Regulators: It can be utilized in voltage regulator circuits to stabilize and regulate the output voltage.

Detailed and Complete Alternative Models

1. LM324: Quad operational amplifier with similar specifications and pin configuration.
2. TL074: Quad JFET-input operational amplifier with lower bandwidth but higher slew rate.
3. OP07: Precision operational amplifier with low input offset voltage and low noise.

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