Overview
The AD8668ARZ-REEL7 is a high-performance operational amplifier from Analog Devices Inc., part of the AD866x family. This single-supply, rail-to-rail output amplifier is known for its low noise performance and extended operating range. It is suitable for a variety of applications requiring precision, stability, and reliability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | VCM = 8 V | 0.6 | 2.5 | 3.0 | mV |
| Offset Voltage Drift (ΔVOS/ΔT) | −40°C < TA < +125°C | 3.0 | 10 | μV/°C | |
| Input Bias Current (IB) | 0.2 | 1 | pA | ||
| Supply Current per Amplifier (ISY) | 1.15 | 1.55 | 2.0 | mA | |
| Slew Rate (SR) | RL = 2 kΩ | 3.5 | V/μs | ||
| Gain Bandwidth Product (GBP) | 4 | MHz | |||
| Phase Margin (ΦM) | 73 | Degrees | |||
| Voltage Noise Density (en) | f = 10 kHz | 8 | nV/√Hz | ||
| Common Mode Rejection Ratio (CMRR) | 110 | dB | |||
| Operating Temperature Range | −40 | +125 | °C |
Key Features
- Single-supply operation: 5 V to 16 V and dual-supply operation: ±2.5 V to ±8 V
- Low input bias current: 1 pA max
- Low noise performance: 8 nV/√Hz @ 10 kHz
- Wide bandwidth: 4 MHz
- Rail-to-rail output
- High common mode rejection ratio: 110 dB
- Extended operating temperature range: −40°C to +125°C
Applications
- Instrumentation and measurement equipment
- Process control systems
- Data acquisition systems
- Industrial and medical electronics
- Automotive applications (for the AD8668W model)
Q & A
- What is the operating temperature range of the AD8668ARZ-REEL7? The operating temperature range is −40°C to +125°C.
- What is the maximum input offset voltage of the AD8668ARZ-REEL7? The maximum input offset voltage is 2.5 mV.
- What is the typical slew rate of the AD8668ARZ-REEL7? The typical slew rate is 3.5 V/μs.
- What is the gain bandwidth product of the AD8668ARZ-REEL7? The gain bandwidth product is 4 MHz.
- Does the AD8668ARZ-REEL7 support dual-supply operation? Yes, it supports dual-supply operation from ±2.5 V to ±8 V.
- What is the common mode rejection ratio of the AD8668ARZ-REEL7? The common mode rejection ratio is 110 dB.
- Is the AD8668ARZ-REEL7 suitable for automotive applications? Yes, the AD8668W model is qualified for automotive applications.
- What is the maximum supply voltage for the AD8668ARZ-REEL7? The maximum supply voltage is 16 V for single-supply operation.
- What is the typical supply current per amplifier for the AD8668ARZ-REEL7? The typical supply current per amplifier is 1.55 mA.
- What is the voltage noise density of the AD8668ARZ-REEL7 at 10 kHz? The voltage noise density at 10 kHz is 8 nV/√Hz.
