Overview
The OP282GS, produced by Analog Devices Inc., is a dual operational amplifier that combines high speed with exceptionally low power consumption. This JFET input stage operational amplifier is designed for applications requiring high performance at low power, making it ideal for battery-powered systems and power-restricted applications. The OP282GS features a high slew rate, low offset voltage, and low bias current, ensuring excellent signal integrity and stability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | -40°C ≤ TA ≤ +85°C | 0.2 | 3 | 4.5 | 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, VO = ±13.5 V | 15 | - | 20 | V/mV |
| Slew Rate | SR | RL = 10 kΩ | 7 | - | 9 | V/μs |
| Gain Bandwidth Product | GBP | - | - | - | 4 | MHz |
| Supply Current per Amplifier | ISY | VO = 0 V, -40°C ≤ TA ≤ +85°C | 210 | - | 250 | μA |
| Supply Voltage Range | VS | - | ±4.5 | - | ±18 | V |
Key Features
- High Speed and Low Power Consumption: The OP282GS features a high slew rate of up to 9 V/μs and a supply current of less than 250 μA per amplifier, making it suitable for battery-powered and low-power applications.
- Low Offset Voltage and Bias Current: The amplifier has a low offset voltage of 3 mV maximum and a low bias current of 100 pA maximum, ensuring high accuracy and stability.
- Wide Input and Output Swing: The input common-mode range includes the positive supply, and the output swing is within 1.5 V of each supply, enhancing its versatility in various applications.
- Unity-Gain Stability: The OP282GS is unity-gain stable, which is beneficial for a wide range of applications requiring stable operation at unity gain.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of 70 to 90 dB, the amplifier provides excellent rejection of common-mode signals, ensuring high signal integrity.
Applications
- Telecommunications: The high speed and low power consumption make the OP282GS suitable for telecommunications equipment where power efficiency is crucial.
- Geophysical Exploration: The amplifier's high performance and low power characteristics are beneficial for geophysical exploration equipment that often operates in remote, power-restricted environments.
- Portable Medical Equipment: The OP282GS is ideal for portable medical devices due to its low power consumption and high performance, ensuring reliable operation in battery-powered systems.
- Navigational Instrumentation: The amplifier's stability and accuracy make it a good choice for navigational instruments that require precise signal processing.
- Active Filters and Integrators: The OP282GS can be used in active filters and integrators due to its high gain bandwidth product and fast settling time.
Q & A
- What is the typical slew rate of the OP282GS?
The typical slew rate of the OP282GS is 9 V/μs.
- What is the maximum supply current per amplifier for the OP282GS?
The maximum supply current per amplifier for the OP282GS is 250 μA.
- What is the input bias current of the OP282GS?
The input bias current of the OP282GS is typically 100 pA and less than 500 pA over the full temperature range.
- What is the common-mode rejection ratio (CMRR) of the OP282GS?
The CMRR of the OP282GS is between 70 dB and 90 dB.
- What is the gain bandwidth product (GBP) of the OP282GS?
The GBP of the OP282GS is 4 MHz.
- What are the typical operating temperature ranges for the OP282GS?
The OP282GS operates over an extended industrial temperature range of -40°C to +85°C.
- What are some common applications of the OP282GS?
The OP282GS is commonly used in telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
- What is the input voltage range for the OP282GS?
The input voltage range for the OP282GS is -11 V to +15 V.
- Is the OP282GS unity-gain stable?
Yes, the OP282GS is unity-gain stable.
- What is the package type for the OP282GS?
The OP282GS is available in an 8-lead narrow SOIC package.
