OPA211AIDR

Product Overview

Category

OPA211AIDR belongs to the category of operational amplifiers (op-amps).

Use

The OPA211AIDR op-amp is commonly used in various electronic circuits for amplification and signal conditioning purposes.

Characteristics

• High precision: The OPA211AIDR offers high accuracy and low offset voltage, making it suitable for applications requiring precise amplification.
• Low noise: It has a low noise figure, enabling it to amplify weak signals without introducing significant noise.
• Wide bandwidth: With a wide bandwidth range, the OPA211AIDR can handle high-frequency signals effectively.
• Low power consumption: This op-amp operates at low power, making it energy-efficient.

Package

The OPA211AIDR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the OPA211AIDR lies in its ability to provide accurate and reliable amplification while maintaining low noise levels.

Packaging/Quantity

The OPA211AIDR is typically sold in reels or tubes, with each reel/tube containing a specific quantity of op-amps. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: ±2.5V to ±18V
• Input offset voltage: 0.25mV (maximum)
• Gain bandwidth product: 10MHz
• Slew rate: 20V/µs
• Input bias current: 1nA (maximum)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA211AIDR op-amp has a standard pin configuration with eight pins:

1. V+ (Positive supply voltage)
2. V- (Negative supply voltage)
3. IN- (Inverting input)
4. IN+ (Non-inverting input)
5. OUT (Output)
6. NC (No connection)
7. NC (No connection)
8. VOUT (Voltage output)

Functional Features

• High gain: The OPA211AIDR offers a high open-loop gain, allowing for precise amplification of input signals.
• Rail-to-rail output: It provides a rail-to-rail output swing, ensuring maximum utilization of the available supply voltage range.
• Unity-gain stable: The op-amp remains stable even at unity gain, making it suitable for various applications.
• Low distortion: It exhibits low harmonic distortion, resulting in accurate signal reproduction.

Advantages and Disadvantages

Advantages

• High precision amplification
• Low noise performance
• Wide bandwidth capability
• Low power consumption

Disadvantages

• Relatively higher cost compared to some other op-amps
• Limited availability from certain suppliers

Working Principles

The OPA211AIDR operates based on the principles of differential amplification. It amplifies the voltage difference between its inverting and non-inverting inputs, producing an amplified output signal. The op-amp's internal circuitry ensures high gain, low noise, and stability throughout its operating range.

Detailed Application Field Plans

The OPA211AIDR finds application in various fields, including:

1. Audio amplification: It can be used in audio systems to amplify weak audio signals while maintaining high fidelity.
2. Instrumentation: The op-amp is suitable for precision measurement instruments, such as multimeters and data acquisition systems.
3. Sensor signal conditioning: It can be employed to amplify and condition signals from sensors, improving their accuracy and reliability.
4. Active filters: The OPA211AIDR can be utilized in active filter circuits to shape and process specific frequency ranges.

Detailed and Complete Alternative Models

1. OPA2134: This op-amp offers similar characteristics to the OPA211AIDR, with a focus on audio applications.
2. LT1115: It provides low noise performance and high precision amplification for various applications.
3. AD8628: This op-amp features low power consumption and high accuracy, making it suitable for portable devices.

These alternative models can be considered based on specific requirements and availability.

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