Overview
The TL082BCDT is a high-speed JFET input dual operational amplifier produced by STMicroelectronics. It is part of the TL082 series, which includes the TL082, TL082A, and TL082B models. These devices are integrated circuits that incorporate well-matched, high voltage JFET and bipolar transistors, offering high slew rates, low input bias and offset currents, and a low offset voltage temperature coefficient. The TL082BCDT is particularly suited for applications requiring high input impedance, low noise, and wide bandwidth.
Key Specifications
| Parameter | Symbol | Unit | Min. | Typ. | Max. |
|---|---|---|---|---|---|
| Supply Voltage | VCC | V | ±18 | ||
| Input Voltage | Vin | V | ±15 | ||
| Differential Input Voltage | Vid | V | ±30 | ||
| Power Dissipation | Ptot | mW | 680 | ||
| Thermal Resistance (Junction-to-Ambient) | Rthja | °C/W | 125 (SO8) | ||
| Input Offset Voltage (Rs = 50 Ω, Tamb = 25 °C) | Vio | mV | 1 | 3 | |
| Output Voltage Swing (RL = 2 kΩ, Tamb = 25 °C) | ±Vopp | V | 10 | 12 | |
| Slew Rate (Tamb = 25 °C, Vin = 10 V, RL = 2 kΩ, CL = 100 pF) | SR | V/µs | 8 | 16 |
Key Features
- Wide common-mode (up to VCC+) and differential voltage range
- Low input bias and offset current
- Output short-circuit protection
- High input impedance JFET input stage
- Internal frequency compensation
- Latch up free operation
- High slew rate: 16 V/µs (typical)
- Low total harmonic distortion: ≤0.02%
- Fast settling time to 0.01%: 2 µs
Applications
The TL082BCDT is versatile and can be used in various applications, including:
- High speed integrators
- Fast D/A converters
- Sample and hold circuits
- 100 kHz quadruple oscillators
- Voltage followers and gain-of-10 inverting amplifiers
- Industrial, automotive, and consumer electronics where high input impedance and low noise are required
Q & A
- What is the typical slew rate of the TL082BCDT?
The typical slew rate of the TL082BCDT is 16 V/µs.
- What is the input offset voltage of the TL082BCDT at 25 °C?
The input offset voltage of the TL082BCDT at 25 °C is typically 3 mV.
- What is the maximum power dissipation for the TL082BCDT?
The maximum power dissipation for the TL082BCDT is 680 mW.
- Does the TL082BCDT have output short-circuit protection?
- What are the typical applications of the TL082BCDT?
The TL082BCDT is typically used in high speed integrators, fast D/A converters, sample and hold circuits, and other applications requiring low input bias and high slew rates.
- What is the thermal resistance (junction-to-ambient) for the SO8 package of the TL082BCDT?
The thermal resistance (junction-to-ambient) for the SO8 package of the TL082BCDT is 125 °C/W.
- Is the TL082BCDT RoHS compliant?
- What is the input impedance of the TL082BCDT?
The TL082BCDT has a high input impedance JFET input stage, typically around 10^12 Ω.
- Does the TL082BCDT have internal frequency compensation?
- What is the storage temperature range for the TL082BCDT?
The storage temperature range for the TL082BCDT is -65 °C to 150 °C.
