Overview
The OP282ARMZ is a dual operational amplifier produced by Analog Devices Inc. It is part of the OP282/OP482 family, known for its excellent speed and exceptionally low supply currents. This amplifier is particularly suited for applications requiring high performance at low power consumption, making it ideal for battery-powered systems and power-restricted applications.
The OP282ARMZ features a JFET input stage, which ensures low bias currents and high input impedance. It is unity-gain stable and offers a wide output swing, making it versatile for various signal conditioning tasks.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 2 | |
| Supply Voltage Range | ±4.5 V to ±18 V | |
| 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 |
| Slew Rate (SR) | 9 V/µs (typ) | RL = 10 kΩ |
| Gain Bandwidth Product (GBP) | 4 MHz | |
| Settling Time (tS) | 1.6 µs (to 0.01%) | |
| Output Voltage High (VOH) | 13.5 V (min) | RL = 10 kΩ |
| Output Voltage Low (VOL) | −13.5 V (max) | RL = 10 kΩ |
| Common-Mode Rejection Ratio (CMRR) | 70 dB to 90 dB | −11 V ≤ VCM ≤ +15 V, −40°C ≤ TA ≤ +85°C |
Key Features
- High Speed and Low Power Consumption: The OP282ARMZ offers a high slew rate of 9 V/µs and a gain bandwidth product of 4 MHz, all while consuming less than 250 µA per amplifier.
- Low Offset Voltage: The amplifier has a low offset voltage of 0.2 mV to 3 mV, ensuring high precision in signal processing.
- Low Bias Current: The JFET input stage ensures a low input bias current of 100 pA, which is beneficial for high impedance sources.
- Wide Output Swing: The output voltage can swing within 1.5 V of each supply rail, making it suitable for a variety of signal conditioning applications.
- Unity-Gain Stable: The OP282ARMZ is stable at unity gain, which simplifies circuit design.
- High Common-Mode Range: The input common-mode range includes the positive supply, making it excellent for high-side signal conditioning.
Applications
- Battery-Powered Systems: Ideal for applications where low power consumption is critical.
- Telecommunications: Suitable for high-speed, low-power signal processing in telecommunications equipment.
- Geophysical Exploration: Used in instrumentation for geophysical exploration due to its high speed and low noise characteristics.
- Portable Medical Equipment: Excellent choice for portable medical devices requiring high performance and low power consumption.
- Navigation and Instrumentation: Used in navigational and other instrumentation applications where precision and speed are essential.
- Active Filters and Integrators: Suitable for active filter and integrator circuits due to its high gain bandwidth product and low offset voltage.
Q & A
- What is the typical slew rate of the OP282ARMZ?
The typical slew rate is 9 V/µs.
- What is the maximum supply current per amplifier?
The maximum supply current per amplifier is 250 µA.
- What is the input bias current of the OP282ARMZ?
The input bias current is typically 100 pA.
- What is the gain bandwidth product of the OP282ARMZ?
The gain bandwidth product is 4 MHz.
- Is the OP282ARMZ unity-gain stable?
Yes, the OP282ARMZ is unity-gain stable.
- What is the common-mode rejection ratio (CMRR) of the OP282ARMZ?
The CMRR is between 70 dB and 90 dB.
- What is the settling time of the OP282ARMZ to 0.01%?
The settling time is 1.6 µs.
- What is the output voltage swing of the OP282ARMZ?
The output voltage can swing within 1.5 V of each supply rail.
- What are some typical applications of the OP282ARMZ?
Typical applications include battery-powered systems, telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
- What is the operating temperature range of the OP282ARMZ?
The operating temperature range is −40°C to +85°C.
