OPA2172IDRGR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High precision, low noise, rail-to-rail output, wide bandwidth
• Package: SOIC-8
• Essence: Dual operational amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±1.5V to ±18V
• Input Offset Voltage: 150µV (maximum)
• Input Bias Current: 1pA (typical)
• Gain Bandwidth Product: 10MHz (typical)
• Slew Rate: 6V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA2172IDRGR has a standard SOIC-8 pin configuration:

```

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| | --| IN- VCC+ |-- --| IN+ OUTB |-- --| VCC- OUTA |-- --| NC NC |-- |___________| ```

Functional Features

• High precision: The OPA2172IDRGR offers excellent accuracy and stability, making it suitable for applications requiring precise measurements.
• Low noise: With a low input bias current and low voltage noise, this operational amplifier ensures minimal interference in sensitive circuits.
• Rail-to-rail output: The device provides an output voltage range that extends close to the supply rails, allowing for maximum dynamic range.
• Wide bandwidth: The OPA2172IDRGR offers a high gain bandwidth product, enabling it to handle fast-changing signals accurately.

Advantages and Disadvantages

Advantages: - High precision and low noise make it ideal for precision measurement applications. - Rail-to-rail output allows for maximum signal range. - Wide bandwidth enables accurate handling of fast-changing signals.

Disadvantages: - Limited supply voltage range compared to some other operational amplifiers. - Higher cost compared to basic operational amplifiers with fewer features.

Working Principles

The OPA2172IDRGR is a dual operational amplifier that amplifies the difference between its two input terminals. It operates by using an internal feedback mechanism to maintain a stable output voltage based on the input signals. The device's high precision and low noise characteristics ensure accurate amplification of small signals, while its rail-to-rail output capability allows it to handle a wide range of input voltages.

Detailed Application Field Plans

The OPA2172IDRGR is commonly used in various applications, including:

1. Precision measurement equipment: Its high precision and low noise make it suitable for use in instruments such as multimeters, data acquisition systems, and medical devices.
2. Audio amplification: The device's wide bandwidth and rail-to-rail output enable it to deliver high-quality audio amplification in audio systems, headphones, and portable audio devices.
3. Sensor interfaces: With its accurate amplification capabilities, the OPA2172IDRGR is well-suited for sensor interface circuits in industrial automation, automotive, and consumer electronics applications.

Detailed and Complete Alternative Models

Some alternative models to the OPA2172IDRGR include:

1. LM358: A general-purpose operational amplifier with lower precision but wider supply voltage range.
2. AD8628: A precision operational amplifier with low noise and rail-to-rail output, suitable for high-accuracy applications.
3. MCP6002: An economical operational amplifier with rail-to-rail input and output, ideal for cost-sensitive designs.

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