Overview
The OP282ARMZ-REEL, produced by Analog Devices Inc., is a dual operational amplifier that stands out for its excellent speed and exceptionally low supply current. This JFET input op-amp is designed to offer high performance in battery-powered systems or applications where power is restricted. With its low offset voltage, low bias current, and high slew rate, the OP282 is 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 |
| Slew Rate (SR) | 7 V/µs to 9 V/µs | 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 to 13.9 V | RL = 10 kΩ |
| Output Voltage Low (VOL) | −13.9 V to −13.5 V | RL = 10 kΩ |
Key Features
- Low supply current: Maximum of 250 µA per amplifier.
- Low offset voltage: Less than 3 mV for the dual amplifier.
- Low bias current: Typically a few picoamps, less than 100 pA.
- High slew rate: Typically 9 V/µs.
- Wide output swing: Within 1.5 V of each supply.
- Unity-gain stable.
- Common-mode range includes the positive supply, making it suitable for high-side signal conditioning.
- Specified over the extended industrial temperature range (−40°C to +85°C).
Applications
The OP282ARMZ-REEL is optimized for high-speed, low-power applications, making it an excellent choice for:
- Battery-powered systems.
- Telecommunications.
- Geophysical exploration.
- Portable medical equipment.
- Navigational instrumentation.
- Active filters and integrators.
- Supply current monitoring.
- High-side signal conditioning.
Q & A
- What is the typical supply current per amplifier for the OP282?
The typical supply current per amplifier is less than 250 µA.
- What is the offset voltage range for the OP282?
The offset voltage range is from 0.2 mV to 3 mV.
- What is the slew rate of the OP282?
The slew rate is typically 9 V/µs.
- What is the gain bandwidth product of the OP282?
The gain bandwidth product is 4 MHz.
- What is the common-mode rejection ratio (CMRR) of the OP282?
The CMRR is between 70 dB and 90 dB.
- What are the typical applications of the OP282?
The OP282 is used in battery-powered systems, telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
- What is the temperature range for which the OP282 is specified?
The OP282 is specified over the extended industrial temperature range of −40°C to +85°C.
- What is the output voltage swing of the OP282?
The output voltage swing is within 1.5 V of each supply.
- Is the OP282 unity-gain stable?
Yes, the OP282 is unity-gain stable.
- What type of input stage does the OP282 use?
The OP282 uses a JFET input stage.
