Overview
The OP282GSZ, produced by Analog Devices Inc., is a dual operational amplifier that stands out for its excellent speed and exceptionally low power consumption. This JFET input stage amplifier is designed to offer high performance in battery-powered systems and other power-restricted applications. It features a high slew rate, low offset voltage, and low bias current, making it an ideal choice for various high-speed, low-power applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Current per Amplifier | 250 µA (max) | VO = 0 V, −40°C ≤ TA ≤ +85°C |
| Offset Voltage (VOS) | 0.2 mV to 3 mV | −40°C ≤ TA ≤ +85°C |
| Input Bias Current (IB) | 100 pA (max) | VCM = 0 V |
| Input Offset Current (IOS) | 50 pA (max) | VCM = 0 V |
| Common-Mode Rejection Ratio (CMRR) | 70 dB to 90 dB | −11 V ≤ VCM ≤ +15 V, −40°C ≤ TA ≤ +85°C |
| Large-Signal Voltage Gain (AVO) | 20 V/mV (min) | RL = 10 kΩ, VO = ±13.5 V, −40°C ≤ TA ≤ +85°C |
| Slew Rate (SR) | 9 V/µs (typ) | RL = 10 kΩ |
| Gain Bandwidth Product (GBP) | 4 MHz | |
| Supply Voltage Range (VS) | ±4.5 V to ±18 V | |
| Output Voltage High (VOH) | 13.5 V (min) | RL = 10 kΩ |
| Output Voltage Low (VOL) | −13.5 V (max) | RL = 10 kΩ |
Key Features
- High Speed and Low Power Consumption: The OP282GSZ offers a high slew rate of 9 V/µs and a low supply current of less than 250 µA per amplifier, making it suitable for battery-powered systems and other power-restricted applications.
- Low Offset Voltage and Bias Current: The amplifier features a low offset voltage of less than 3 mV and a low bias current of less than 100 pA, ensuring high accuracy and stability.
- Wide Common-Mode Range: The input common-mode range includes the positive supply, making it an excellent choice for high-side signal conditioning.
- Unity-Gain Stable: The OP282GSZ is unity-gain stable, ensuring reliable operation in various configurations.
- High Gain Bandwidth Product: With a gain bandwidth product of 4 MHz, this amplifier is suitable for high-frequency applications.
Applications
- Telecommunications: The OP282GSZ is used in telecommunications equipment due to its high speed and low power consumption.
- Geophysical Exploration: Its high performance and low power make it ideal for geophysical exploration equipment.
- Portable Medical Equipment: The amplifier is used in portable medical devices where low power and high speed are critical.
- Navigational Instrumentation: It is also used in navigational instruments that require precise and high-speed signal processing.
- Active Filters and Integrators: The OP282GSZ is suitable for active filters, fast amplifiers, and integrators due to its high slew rate and low noise characteristics.
Q & A
- What is the typical slew rate of the OP282GSZ?
The typical slew rate of the OP282GSZ is 9 V/µs.
- What is the maximum supply current per amplifier for the OP282GSZ?
The maximum supply current per amplifier is 250 µA.
- What is the offset voltage range for the OP282GSZ?
The offset voltage range is from 0.2 mV to 3 mV.
- What is the input bias current of the OP282GSZ?
The input bias current is less than 100 pA.
- Is the OP282GSZ unity-gain stable?
Yes, the OP282GSZ is unity-gain stable.
- What is the gain bandwidth product of the OP282GSZ?
The gain bandwidth product is 4 MHz.
- What is the common-mode rejection ratio (CMRR) of the OP282GSZ?
The CMRR is between 70 dB and 90 dB.
- What are some typical applications of the OP282GSZ?
Typical applications include telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
- What is the supply voltage range for the OP282GSZ?
The supply voltage range is from ±4.5 V to ±18 V.
- What is the output voltage swing of the OP282GSZ?
The output voltage swing is within 1.5 V of each supply rail.
