Overview
The TL082ACDG4 is a dual JFET input operational amplifier produced by Texas Instruments. It is part of the TL08x family, known for its high performance, low cost, and versatility. This device is particularly suited for applications requiring low input bias and offset currents, high slew rate, and wide bandwidth. The TL082ACDG4 is pin-compatible with the LM1558 and LM358, making it an excellent choice for upgrading existing designs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | RS = 10 kΩ, TA = 25°C | 5 | 15 | 20 | mV |
| Input Bias Current | TA = 25°C | 50 | pA | ||
| Input Noise Voltage (en) | TA = 25°C, RS = 100Ω, f = 1000 Hz | 16 | nV/√Hz | ||
| Input Noise Current (in) | Tj = 25°C, f = 1000 Hz | 0.01 | pA/√Hz | ||
| Slew Rate (SR) | VS = ±15V, TA = 25°C | 8 | 13 | V/μs | |
| Gain Bandwidth Product (GBW) | VS = ±15V, TA = 25°C | 4 | MHz | ||
| Total Supply Voltage | ±2.25 V to ±20 V | V | |||
| Operating Temperature Range | 0 | 70 | °C | ||
| Quiescent Current per Channel (Iq) | TA = 25°C | 3.6 | mA | ||
| Total Harmonic Distortion (THD) | AV = +10, RL = 10k, VO = 20 Vp-p | <0.02% | % |
Key Features
- Low Input Bias Current: 50 pA, making it suitable for high-impedance sources.
- Low Input Offset Voltage: 15 mV (typical), ensuring minimal error in amplification.
- High Slew Rate: 13 V/μs, allowing for fast signal processing.
- Wide Gain Bandwidth Product: 4 MHz, enabling high-frequency applications.
- Low Noise: 16 nV/√Hz input noise voltage and 0.01 pA/√Hz input noise current.
- High Input Impedance: 10^12 Ω, reducing the impact of the amplifier on the input signal.
- Low Total Harmonic Distortion: ≤0.02%, ensuring high signal fidelity.
- Wide Supply Voltage Range: ±2.25 V to ±20 V, providing flexibility in power supply design.
- Output Short-Circuit Protection: Enhancing reliability and safety in operation.
Applications
- High-Speed Integrators: Ideal for applications requiring fast integration of signals.
- Fast D/A Converters: Suitable for high-speed digital-to-analog conversion.
- Sample and Hold Circuits: Used in applications where precise signal capture and hold are necessary.
- Solar Energy Systems: Applicable in string and central inverter designs.
- Motor Drives: Used in AC and servo drive control and power stage modules.
- UPS Systems: Suitable for single-phase and three-phase online UPS systems.
- Pro Audio Mixers: Ideal for professional audio equipment due to its low noise and high fidelity.
- Battery Test Equipment: Used in battery testing and monitoring systems.
Q & A
- What is the typical input offset voltage of the TL082ACDG4?
The typical input offset voltage is 15 mV at 25°C.
- What is the slew rate of the TL082ACDG4?
The slew rate is typically 13 V/μs.
- What is the gain bandwidth product of the TL082ACDG4?
The gain bandwidth product is typically 4 MHz.
- What is the input bias current of the TL082ACDG4?
The input bias current is typically 50 pA.
- What is the operating temperature range of the TL082ACDG4?
The operating temperature range is from 0°C to 70°C.
- What is the total harmonic distortion of the TL082ACDG4?
The total harmonic distortion is less than or equal to 0.02%.
- What are some common applications of the TL082ACDG4?
Common applications include high-speed integrators, fast D/A converters, sample and hold circuits, solar energy systems, motor drives, UPS systems, pro audio mixers, and battery test equipment.
- What is the quiescent current per channel of the TL082ACDG4?
The quiescent current per channel is typically 3.6 mA.
- Does the TL082ACDG4 have output short-circuit protection?
Yes, the TL082ACDG4 has output short-circuit protection).
- What is the input noise voltage of the TL082ACDG4?
The input noise voltage is typically 16 nV/√Hz at 1000 Hz).
