AD8628WARTZ-R7

The AD8628WARTZ-R7 is a precision operational amplifier (op-amp) manufactured by Analog Devices Inc., which is now part of Maxim Integrated. This component is designed for high-performance applications requiring low noise, low offset voltage, and high precision. Below is a detailed description of its key features and specifications:

General Description:

The AD8628 is a dual, high-speed, low-noise operational amplifier that operates on a wide supply voltage range. It is optimized for applications in instrumentation, data acquisition, and signal conditioning, where accuracy and stability are paramount.

Key Features:

1. Low Offset Voltage: The AD8628 boasts a low input offset voltage, typically around 50 µV, which ensures minimal error in precision applications.

2. Low Noise: With a low noise density of approximately 8 nV/√Hz at 1 kHz, the op-amp is suitable for low-level signal amplification, making it ideal for sensor applications.

3. Wide Supply Voltage Range: The device can operate on a dual supply voltage of ±2.5 V to ±15 V, or a single supply of 5 V to 30 V, providing flexibility in various circuit designs.

4. High Slew Rate: The AD8628 features a high slew rate of 6 V/µs, allowing it to handle fast-changing signals without distortion.

5. Rail-to-Rail Output: The output stage is designed to swing close to the supply rails, maximizing the output voltage range and making it suitable for low-voltage applications.

6. High Gain Bandwidth Product: With a gain bandwidth product of 1 MHz, the op-amp can maintain performance across a range of frequencies, making it suitable for a variety of applications.

7. Low Input Bias Current: The input bias current is typically around 10 pA, which is beneficial for high-impedance sensor applications.

8. Temperature Range: The AD8628 is specified for operation over a temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.

Package Information:

The AD8628WARTZ-R7 is available in a small, surface-mount package (SOIC-8), which is ideal for space-constrained applications. The "R7" suffix indicates that it is supplied in a reel of 7-inch tape, suitable for automated assembly processes.

Applications:

The AD8628 is widely used in various applications, including:

• Precision data acquisition systems
• Medical instrumentation
• Industrial process control
• Audio signal processing
• Active filters and signal conditioning circuits

Conclusion:

The AD8628WARTZ-R7 from Analog Devices Inc. is a versatile and high-performance operational amplifier that meets the stringent requirements of precision applications. Its combination of low noise, low offset voltage, and wide supply range makes it an excellent choice for engineers looking to design reliable and accurate electronic systems.