Overview
The AD8676ARZ-REEL7 is a precision operational amplifier manufactured by Analog Devices Inc. This dual operational amplifier is designed for applications requiring low noise, high accuracy, and low input bias currents. It features rail-to-rail output swings and very low noise, making it suitable for a wide range of applications including sensitive sensor measurements, audio equipment, precision instrumentation, and control systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | B Grade (SOIC), T_A = 25°C | 12 | 50 | 100 | μV |
| Offset Voltage | VOS | B Grade (SOIC, MSOP), -40°C ≤ T_A ≤ 125°C | 15 | 160 | 250 | μV |
| Input Bias Current | IB | -40°C ≤ T_A ≤ 125°C | -2 | 2 | nA | |
| Output Voltage Low | VOL | R_L = 10 kΩ to ground, T_A = 25°C | -4.98 | -4.90 | -4.85 | V |
| Short-Circuit Limit | ISC | 40 | mA | |||
| Supply Current/Amplifier | ISY | V_O = 0 V, T_A = 25°C | 2.5 | 3.2 | 3.8 | mA |
| Slew Rate | SR | R_L = 2 kΩ | 2.5 | V/μs | ||
| Gain Bandwidth Product | GBP | 10 | MHz | |||
| Voltage Noise Density | en | f = 1 kHz | 2.8 | nV/√Hz | ||
| Current Noise Density | in | f = 10 Hz | 0.3 | pA/√Hz | ||
| Operating Temperature Range | -40 | 125 | °C | |||
| Supply Voltage Range | 10 | 36 | V |
Key Features
- Ultralow Offset and Drift: Typical offset voltage of 12 μV and offset drift of 0.2 μV/°C, ensuring high accuracy over the full operating temperature range.
- Low Noise: Voltage noise density of 2.8 nV/√Hz at 1 kHz and current noise density of 0.3 pA/√Hz at 10 Hz, making it ideal for sensitive applications.
- Rail-to-Rail Output: Allows for maximum output swing, enhancing signal-to-noise ratio and dynamic range.
- Low Input Bias Current: Very low input bias currents of ±2 nA, reducing loading effects and ensuring accurate measurements.
- Wide Bandwidth: Slew rate of 2.5 V/μs and gain bandwidth product of 10 MHz, suitable for high-frequency applications.
- Low Power Consumption: Supply current of 2.7 mA per amplifier, allowing for maximum channel density or minimum board size in space-critical equipment.
- Extended Industrial Temperature Range: Operates from -40°C to +125°C, making it suitable for a wide range of environmental conditions.
- Lead-Free Packages: Available in 8-lead MSOP and 8-lead narrow SOIC packages, both of which are lead-free and RoHS compliant.
Applications
- Sensitive Sensor Measurements: Ideal for medical devices like ECG monitors, where accurate amplification and processing of small electrical signals are crucial.
- Audio Equipment: Used in high-end audio amplifiers to reproduce high-fidelity sound with low distortion and noise.
- Precision Instrumentation: Suitable for data acquisition systems, precision filter circuits, position and pressure sensors, and strain gage amplifiers where accuracy is paramount.
- Control Systems: Used in motor control applications to accurately sense current and provide feedback to the controller, ensuring precise control and improved performance.
Q & A
- What is the typical offset voltage of the AD8676ARZ-REEL7?
The typical offset voltage of the AD8676ARZ-REEL7 is 12 μV.
- What is the operating temperature range of the AD8676ARZ-REEL7?
The AD8676ARZ-REEL7 operates from -40°C to +125°C.
- What are the available package types for the AD8676ARZ-REEL7?
The AD8676ARZ-REEL7 is available in 8-lead MSOP and 8-lead narrow SOIC packages, both of which are lead-free.
- What is the slew rate of the AD8676ARZ-REEL7?
The slew rate of the AD8676ARZ-REEL7 is 2.5 V/μs.
- What is the gain bandwidth product of the AD8676ARZ-REEL7?
The gain bandwidth product of the AD8676ARZ-REEL7 is 10 MHz.
- What are some typical applications of the AD8676ARZ-REEL7?
The AD8676ARZ-REEL7 is typically used in sensitive sensor measurements, audio equipment, precision instrumentation, and control systems.
- What is the voltage noise density of the AD8676ARZ-REEL7?
The voltage noise density of the AD8676ARZ-REEL7 is 2.8 nV/√Hz at 1 kHz.
- What is the input bias current of the AD8676ARZ-REEL7?
The input bias current of the AD8676ARZ-REEL7 is ±2 nA.
- Is the AD8676ARZ-REEL7 RoHS compliant?
Yes, the AD8676ARZ-REEL7 is RoHS compliant.
- What is the supply current per amplifier for the AD8676ARZ-REEL7?
The supply current per amplifier for the AD8676ARZ-REEL7 is typically 2.7 mA.
