Overview
The AD8684ARUZ-REEL, produced by Analog Devices Inc., is a quad, general-purpose operational amplifier. This device is part of the AD8684 family, which is known for its high performance and versatility. The AD8684 operates on a single supply ranging from 2.7V to 18V, making it suitable for a wide range of applications, including those requiring low power consumption and high accuracy.
The AD8684 is characterized by its rail-to-rail input and output capabilities, low offset voltage, and high bandwidth. These features make it an excellent choice for various electronic systems that demand precision and reliability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 | 18 | V | ||
| Offset Voltage (VOS) | VCM = 0 V to 5 V | 0.6 | 2.5 | 3.2 | mV |
| Input Bias Current (IB) | 0.3 | 1 | 550 | pA | |
| Common-Mode Rejection Ratio (CMRR) | VCM = 0 V to 5 V | 67 | 84 | dB | |
| Slew Rate (SR) | RL = 2 kΩ | 11 | V/μs | ||
| Gain Bandwidth Product (GBP) | 24 | MHz | |||
| Supply Current per Amplifier (ISY) | VO = 0 V | 1.6 | 2.0 | 2.5 | mA |
Key Features
- Rail-to-Rail Input and Output: The AD8684 can operate with input and output signals that range from the negative to the positive supply rail, enhancing its versatility in various applications.
- Low Offset Voltage: With a maximum offset voltage of 3.2 mV, this amplifier ensures high accuracy in signal processing.
- High Bandwidth and Slew Rate: Featuring a gain bandwidth product of 24 MHz and a slew rate of 11 V/μs, the AD8684 is suitable for high-frequency applications.
- Low Noise and Distortion: The amplifier has low noise density and distortion, making it ideal for audio and precision measurement applications.
- Single-Supply Operation: The device can operate from a single supply voltage ranging from 2.7V to 18V, making it flexible for different power supply configurations.
Applications
- Current Sensing and Measurement: The AD8684 is suitable for current sensing applications due to its high accuracy and low offset voltage.
- Barcode Scanners and PA Controls: Its high bandwidth and low distortion make it a good fit for barcode scanners and power amplifier controls.
- Battery-Powered Instrumentation: The low supply current and single-supply operation make it ideal for battery-powered devices.
- Audio Amplification: The amplifier's high output drive capability and low noise make it suitable for audio line drivers and other low impedance applications.
- Sensors and ASIC Input/Output Amplifiers: It is also used in sensor applications and as input or output amplifiers in ASICs due to its high performance and reliability.
Q & A
- What is the supply voltage range for the AD8684ARUZ-REEL?
The AD8684ARUZ-REEL operates from a single supply voltage ranging from 2.7V to 18V.
- What is the maximum offset voltage of the AD8684ARUZ-REEL?
The maximum offset voltage is 3.2 mV.
- What is the gain bandwidth product of the AD8684ARUZ-REEL?
The gain bandwidth product is 24 MHz.
- What is the slew rate of the AD8684ARUZ-REEL?
The slew rate is 11 V/μs.
- Is the AD8684ARUZ-REEL suitable for high-frequency applications?
- What are some common applications of the AD8684ARUZ-REEL?
Common applications include current sensing, barcode scanners, PA controls, battery-powered instrumentation, audio amplification, and sensor applications.
- Does the AD8684ARUZ-REEL have rail-to-rail input and output capabilities?
- What is the typical supply current per amplifier for the AD8684ARUZ-REEL?
The typical supply current per amplifier is 2.0 mA.
- Is the AD8684ARUZ-REEL qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the common-mode rejection ratio (CMRR) of the AD8684ARUZ-REEL?
The CMRR is 67 dB to 84 dB.
