OPA228P

Product Overview

Category

OPA228P belongs to the category of operational amplifiers (op-amps).

Use

The OPA228P op-amp is commonly used in various electronic circuits for amplification, filtering, and signal conditioning purposes.

Characteristics

• High gain: The OPA228P offers a high open-loop gain, allowing for accurate amplification of small input signals.
• Low offset voltage: It exhibits low input offset voltage, minimizing errors in amplification.
• Wide bandwidth: With a wide bandwidth, it can handle a broad range of frequencies.
• Low noise: The op-amp has low noise characteristics, ensuring minimal interference with the desired signal.
• Low power consumption: It operates on low power, making it suitable for battery-powered applications.

Package

The OPA228P is available in a standard 8-pin dual in-line package (DIP), which facilitates easy integration into circuit boards.

Essence

OPA228P is an operational amplifier designed to provide precise amplification and signal conditioning capabilities in electronic circuits.

Packaging/Quantity

The OPA228P is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 150µV (max)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 5V/µs
• Input Bias Current: 1nA (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA228P features the following pin configuration:

```

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| | --| IN- OUT |-- V+ --| IN+ NC |-- V- --| V- NC |-- NC --| V+ NC |-- IN- --| OUT IN+ |-- IN+ --| NC IN- |-- OUT |___________| ```

Functional Features

1. High gain: The OPA228P offers a high open-loop gain, ensuring accurate amplification of input signals.
2. Low noise: It exhibits low noise characteristics, enabling clear signal processing.
3. Wide bandwidth: With a wide bandwidth, it can handle a broad range of frequencies without distortion.
4. Low power consumption: The op-amp operates on low power, making it suitable for energy-efficient applications.
5. Stable operation: It provides stable performance even in challenging operating conditions.

Advantages and Disadvantages

Advantages

• High gain ensures precise signal amplification.
• Low noise allows for clear signal processing.
• Wide bandwidth enables handling of various frequency ranges.
• Low power consumption makes it suitable for battery-powered devices.
• Stable operation ensures reliable performance.

Disadvantages

• Limited supply voltage range compared to some other op-amps.
• Higher input offset voltage compared to certain precision op-amps.

Working Principles

The OPA228P is based on the principles of operational amplifier circuits. It utilizes differential inputs and a feedback mechanism to amplify and condition input signals. By adjusting the feedback network, the op-amp can be configured for different gain levels and filtering requirements.

Detailed Application Field Plans

The OPA228P finds applications in various fields, including: 1. Audio amplification: It can be used in audio systems to amplify and enhance sound signals. 2. Sensor signal conditioning: The op-amp can process and condition signals from sensors for further analysis. 3. Instrumentation: It is suitable for precision measurement and data acquisition systems. 4. Active filters: The OPA228P can be employed in active filter designs for signal shaping and frequency selection.

Detailed and Complete Alternative Models

1. OPA227P: Similar to OPA228P, but with lower input offset voltage.
2. LM358: A dual operational amplifier with a wider supply voltage range.
3. TL072: Dual JFET-input op-amp with low noise characteristics.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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