AD8684ARUZ

Product Overview

Category

AD8684ARUZ belongs to the category of integrated circuit (IC) amplifiers.

Use

The AD8684ARUZ is primarily used as a precision, low-power, rail-to-rail output operational amplifier.

Characteristics

• Precision: The AD8684ARUZ offers high precision amplification with low offset voltage and low input bias current.
• Low Power Consumption: It operates on low power supply voltages, making it suitable for battery-powered applications.
• Rail-to-Rail Output: The amplifier provides output voltage that can swing close to both the positive and negative supply rails.
• Wide Bandwidth: It has a wide bandwidth, enabling accurate amplification of high-frequency signals.
• High Gain: The AD8684ARUZ offers high gain, ensuring accurate signal amplification.

Package

The AD8684ARUZ comes in a small outline package (SOIC) with 14 pins.

Essence

The essence of the AD8684ARUZ lies in its ability to provide precise amplification of signals while operating on low power supply voltages.

Packaging/Quantity

The AD8684ARUZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: ±2.25 V to ±18 V
• Input Offset Voltage: 50 µV maximum
• Input Bias Current: 1 nA maximum
• Gain Bandwidth Product: 10 MHz typical
• Slew Rate: 5 V/µs typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AD8684ARUZ has the following pin configuration:

1. OUT1: Output 1
2. IN1-: Inverting Input 1
3. IN1+: Non-Inverting Input 1
4. V-: Negative Power Supply
5. OUT2: Output 2
6. IN2-: Inverting Input 2
7. IN2+: Non-Inverting Input 2
8. V+: Positive Power Supply
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection

Functional Features

The AD8684ARUZ offers the following functional features:

• Rail-to-Rail Output Swing: The amplifier can provide output voltage that can swing close to both the positive and negative supply rails, allowing for maximum utilization of the available dynamic range.
• Low Power Consumption: It operates on low power supply voltages, making it suitable for battery-powered applications where power efficiency is crucial.
• High Precision: With low offset voltage and input bias current, the AD8684ARUZ ensures accurate amplification of signals with minimal distortion.
• Wide Bandwidth: The amplifier has a wide bandwidth, enabling accurate amplification of high-frequency signals without significant loss in signal quality.

Advantages and Disadvantages

Advantages

• High precision amplification
• Low power consumption
• Rail-to-rail output swing
• Wide bandwidth
• High gain

Disadvantages

• Limited number of pins for additional functionality
• Relatively higher cost compared to some other amplifiers in the market

Working Principles

The AD8684ARUZ operates based on the principles of operational amplifiers. It takes an input signal, amplifies it with high precision, and provides an output signal that is a scaled-up version of the input. The rail-to-rail output capability allows the amplifier to provide an output voltage that can swing close to both the positive and negative supply rails.

Detailed Application Field Plans

The AD8684ARUZ finds applications in various fields, including but not limited to:

1. Sensor Signal Conditioning: It can be used to amplify and condition signals from sensors such as temperature sensors, pressure sensors, and strain gauges.
2. Audio Amplification: The amplifier can be employed in audio systems for accurate amplification of audio signals with low distortion.
3. Medical Instrumentation: It is suitable for medical devices that require precise amplification of bioelectric signals, such as ECG (electrocardiogram) machines and EEG (electroencephalogram) devices.
4. Industrial Automation: The AD8684ARUZ can be utilized in industrial automation systems for signal conditioning and amplification in control loops.

Detailed and Complete Alternative Models

Some alternative models to the AD8684ARUZ include:

1. AD8605: Precision, low-power operational amplifier with rail-to-rail output swing.
2. AD8628: Low-noise, precision operational amplifier with rail-to-rail output.
3. AD8671: Precision, low-power operational amplifier with low