OPA211AIDRGR

Product Overview

Category: Operational Amplifier (Op-Amp)

Use: The OPA211AIDRGR is a high-precision, low-noise operational amplifier designed for various applications in the field of analog signal processing.

Characteristics: - High precision: The OPA211AIDRGR offers exceptional accuracy and stability, making it suitable for demanding measurement and instrumentation systems. - Low noise: With a low input voltage noise density, this op-amp ensures minimal interference and distortion in sensitive audio and sensor applications. - Wide bandwidth: The device provides a wide frequency response, enabling it to handle high-speed signals accurately. - Low power consumption: The OPA211AIDRGR operates efficiently with low power requirements, making it suitable for battery-powered devices. - Rail-to-rail output swing: It supports an output voltage range that covers the entire supply voltage, allowing for maximum dynamic range.

Package: The OPA211AIDRGR comes in a small-outline integrated circuit (SOIC) package, which provides ease of use and compatibility with standard PCB designs.

Essence: This op-amp is designed to amplify and process analog signals with high precision, low noise, and wide bandwidth, making it ideal for applications requiring accurate signal conditioning.

Packaging/Quantity: The OPA211AIDRGR is typically available in reels or tubes, containing a quantity of 250 or 3000 units per package.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 1.5mV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 50MHz
• Slew Rate: 20V/μs
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA211AIDRGR features a standard 8-pin dual in-line package (DIP) configuration:

___________ OUT | 1 8 | V+ IN- | 2 7 | NC IN+ | 3 6 | V- NC | 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High gain: The op-amp provides a high open-loop gain, ensuring accurate amplification of input signals.
• Low distortion: It offers low total harmonic distortion (THD) and intermodulation distortion (IMD), preserving signal integrity.
• Unity-gain stable: The device remains stable even at unity gain, eliminating the need for external compensation components.
• EMI filtering: Built-in electromagnetic interference (EMI) filters reduce noise and improve signal quality.
• Overload protection: The OPA211AIDRGR includes built-in protection against overvoltage, overcurrent, and thermal overload conditions.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise performance - Wide bandwidth for high-speed applications - Low power consumption - Rail-to-rail output swing for maximum dynamic range

Disadvantages: - Relatively higher cost compared to general-purpose op-amps - Limited availability in certain regions

Working Principles

The OPA211AIDRGR operates based on the principles of differential amplification. It amplifies the voltage difference between its two input terminals, providing an amplified output signal that is proportional to the input voltage. The internal circuitry ensures high gain, low noise, and stability across various operating conditions.

Application Field Plans

The OPA211AIDRGR finds applications in various fields, including: 1. Precision measurement and instrumentation systems 2. Audio amplification and processing 3. Sensor signal conditioning 4. Data acquisition systems 5. Medical equipment 6. Industrial control systems

Alternative Models

For users seeking alternative options, the following op-amps can be considered: - OPA2134: A dual op-amp with similar characteristics to the OPA211AIDRGR, offering low noise and high precision. - LT1115: A precision op-amp with ultra-low noise performance and wide bandwidth. - AD8628: A rail-to-rail output op-amp with low noise and low power consumption.

These alternatives provide similar functionality and can be suitable replacements depending on specific requirements.

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