Overview
The OP482GP, produced by Analog Devices Inc., is a quad operational amplifier designed for high-speed, low-power applications. This JFET input stage amplifier is part of the OP282/OP482 family, known for its excellent speed and low supply current. The OP482GP is particularly suited for battery-powered systems and power-restricted applications due to its low power consumption and high slew rate.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | - | 0.2 | 4 | 6 | mV |
| Input Bias Current | IB | VCM = 0 V | 3 | 100 | 500 | pA |
| Input Offset Current | IOS | VCM = 0 V | 1 | 50 | 250 | pA |
| Input Voltage Range | - | - | -11 | - | +15 | V |
| Common-Mode Rejection Ratio | CMRR | -11 V ≤ VCM ≤ +15 V, -40°C ≤ TA ≤ +85°C | 70 | - | 90 | dB |
| Large-Signal Voltage Gain | AVO | RL = 10 kΩ | - | 20 | - | V/mV |
| Slew Rate | SR | RL = 10 kΩ | 7 | 9 | - | V/μs |
| Gain Bandwidth Product | GBP | - | - | 4 | - | MHz |
| Supply Voltage Range | VS | - | ±4.5 | - | ±18 | V |
| Supply Current | - | - | - | 250 | - | μA/amplifier |
Key Features
- High Slew Rate: Typically 9 V/μs, ensuring fast response times.
- Wide Bandwidth: 4 MHz gain bandwidth product.
- Low Supply Current: Maximum of 250 μA per amplifier.
- Low Offset Voltage: Less than 4 mV for the quad amplifier.
- Low Bias Current: Typically 100 pA.
- Fast Settling Time: To 0.01% in 1.6 μs.
- Common-Mode Range Includes V+: Ideal for high-side signal conditioning.
- Unity-Gain Stable: Suitable for a variety of applications without additional compensation.
Applications
- Active Filters: Utilize the high bandwidth and low noise characteristics.
- Fast Amplifiers: Suitable for applications requiring rapid signal processing.
- Integrators: Ideal due to the low offset voltage and high slew rate.
- Supply Current Monitoring: Low power consumption makes it suitable for monitoring supply currents.
- Telecommunications: High speed and low power make it a good fit for telecommunication systems.
- Geophysical Exploration: Used in equipment that requires high speed and low power.
- Portable Medical Equipment: Ideal for battery-powered medical devices.
- Navigational Instrumentation: High accuracy and stability are beneficial in navigational systems.
Q & A
- What is the typical slew rate of the OP482GP?
The typical slew rate of the OP482GP is 9 V/μs.
- What is the maximum supply current per amplifier for the OP482GP?
The maximum supply current per amplifier is 250 μA.
- What is the input bias current of the OP482GP?
The input bias current is typically 100 pA.
- What is the common-mode rejection ratio (CMRR) of the OP482GP?
The CMRR is between 70 dB and 90 dB over the specified temperature range.
- What are the typical offset voltage values for the OP482GP?
The typical offset voltage is less than 4 mV for the quad amplifier.
- What is the gain bandwidth product (GBP) of the OP482GP?
The GBP is 4 MHz.
- What are the operating temperature ranges for the OP482GP?
The operating temperature range is from -40°C to +85°C.
- What types of packages are available for the OP482GP?
The OP482GP is available in PDIP, narrow SOIC, and 14-ball WLCSP packages.
- Is the OP482GP suitable for high-side signal conditioning?
Yes, the OP482GP is suitable for high-side signal conditioning because its input common-mode range includes the positive supply.
- What are some common applications of the OP482GP?
Common applications include active filters, fast amplifiers, integrators, supply current monitoring, telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
