Overview
The AD8682ARZ-REEL, produced by Analog Devices Inc., is a dual low power, high speed JFET operational amplifier. This component is part of the AD8682 and AD8684 family, which includes both dual and quad configurations. The AD8682 is designed to offer excellent speed and precision while maintaining low supply currents, making it ideal for a variety of applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Typical Value | Maximum Value | Conditions |
|---|---|---|---|
| Supply Voltage | ±15 V | ±18 V | |
| Input Bias Current | 20 pA | 125 pA | −40°C ≤ TA ≤ +85°C |
| Offset Voltage | 0.35 mV | 1 mV | @ 25°C |
| Common-Mode Rejection Ratio (CMRR) | 90 dB | 70 dB | −11 V ≤ VCM ≤ +15 V, −40°C ≤ TA ≤ +85°C |
| Slew Rate | 9 V/μs | RL = 10 kΩ, CL = 50 pF | |
| Bandwidth | 3.5 MHz | ||
| Supply Current per Amplifier | 250 μA | ||
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Low supply current: 250 μA/amp maximum
- High slew rate: 9 V/μs
- High bandwidth: 3.5 MHz typical
- Low offset voltage: 1 mV maximum @ 25°C
- Low input bias current: 20 pA maximum @ 25°C
- High common-mode rejection ratio (CMRR): 90 dB typical
- Unity-gain stable
- Fast settling time
Applications
- Medical instrumentation
- Thermocouple amplifiers
- Strain gage amplifiers
- Precision current sensing
- High-speed data acquisition systems
- Audio and video equipment
Q & A
- What is the typical supply current per amplifier for the AD8682ARZ-REEL?
The typical supply current per amplifier is 250 μA.
- What is the maximum input bias current for the AD8682ARZ-REEL?
The maximum input bias current is 125 pA over the full temperature operating range.
- What is the common-mode rejection ratio (CMRR) of the AD8682ARZ-REEL?
The CMRR is typically 90 dB.
- What is the slew rate of the AD8682ARZ-REEL?
The slew rate is 9 V/μs.
- What is the bandwidth of the AD8682ARZ-REEL?
The bandwidth is typically 3.5 MHz.
- What is the operating temperature range for the AD8682ARZ-REEL?
The operating temperature range is −40°C to +85°C.
- Is the AD8682ARZ-REEL unity-gain stable?
- What are some typical applications for the AD8682ARZ-REEL?
Typical applications include medical instrumentation, thermocouple amplifiers, strain gage amplifiers, and precision current sensing.
- What is the maximum offset voltage for the AD8682ARZ-REEL at 25°C?
The maximum offset voltage at 25°C is 1 mV.
- Does the AD8682ARZ-REEL require external capacitors for operation?
No, the AD8682ARZ-REEL does not require external capacitors for operation.
