OPA2822U/2K5

Product Overview

Category

The OPA2822U/2K5 belongs to the category of operational amplifiers (op-amps).

Use

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

Characteristics

• Low input offset voltage
• High gain bandwidth product
• Rail-to-rail input and output
• Low noise
• Wide supply voltage range

Package

The OPA2822U/2K5 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the OPA2822U/2K5 lies in its ability to provide high-performance amplification while operating on a wide range of supply voltages.

Packaging/Quantity

The OPA2822U/2K5 is typically packaged in reels or tubes, containing a quantity of 2500 units per package.

Specifications

• Supply Voltage Range: ±1.35V to ±18V
• Input Offset Voltage: 500µV (maximum)
• Gain Bandwidth Product: 10MHz (typical)
• Input Bias Current: 1pA (typical)
• Output Voltage Swing: Rail-to-Rail
• Quiescent Current: 1.3mA (typical)

Detailed Pin Configuration

The OPA2822U/2K5 has the following pin configuration:

```

---

| | --| V+ OUT |-- Pin 1: Positive Power Supply (V+) --| IN+ IN- |-- Pin 2: Non-Inverting Input (+) --| IN- IN+ |-- Pin 3: Inverting Input (-) --| V- NC |-- Pin 4: Negative Power Supply (V-) --| NC NC |-- Pin 5: Not Connected (NC) --| OUT V- |-- Pin 6: Output --| NC V+ |-- Pin 7: Not Connected (NC) |___________| ```

Functional Features

1. Low Input Offset Voltage: The OPA2822U/2K5 exhibits a low input offset voltage, minimizing errors in amplification and signal conditioning applications.

2. High Gain Bandwidth Product: With a high gain bandwidth product of 10MHz, this op-amp can handle a wide range of frequencies accurately.

3. Rail-to-Rail Input and Output: The op-amp supports rail-to-rail input and output operation, allowing for maximum utilization of the supply voltage range.

4. Low Noise: The OPA2822U/2K5 has low noise characteristics, making it suitable for applications requiring precise signal amplification.

5. Wide Supply Voltage Range: It operates on a wide supply voltage range of ±1.35V to ±18V, providing flexibility in various circuit designs.

Advantages and Disadvantages

Advantages

• Low input offset voltage reduces error in amplification.
• High gain bandwidth product enables accurate handling of a wide range of frequencies.
• Rail-to-rail input and output operation maximizes utilization of the supply voltage range.
• Low noise characteristics ensure precise signal amplification.
• Wide supply voltage range provides flexibility in circuit design.

Disadvantages

• Limited availability in small quantities for hobbyist applications.
• Relatively higher cost compared to some other op-amp models.

Working Principles

The OPA2822U/2K5 is based on a differential amplifier configuration, where the difference between the non-inverting and inverting inputs is amplified. This amplified output is then fed to the output stage, which drives the load. The op-amp operates by maintaining a high gain and accurately amplifying the input signal while minimizing errors introduced by offset voltage and noise.

Detailed Application Field Plans

The OPA2822U/2K5 finds applications in various fields, including:

1. Audio Amplification: It can be used in audio amplifiers to enhance the quality and volume of sound signals.

2. Sensor Signal Conditioning: The op-amp is suitable for conditioning sensor signals in applications such as temperature measurement, pressure sensing, and more.

3. Active Filters: It can be utilized in active filter circuits to shape and modify the frequency response of signals.

4. Data Acquisition Systems: The OPA2822U/2K5 can be employed in data acquisition systems to amplify weak signals from sensors or transducers.

Detailed and Complete Alternative Models

1. LM358: A widely used general-purpose operational amplifier with similar characteristics.
2. TL072: Dual JFET-input operational amplifier with low noise and high slew rate.
3. AD822: Precision instrumentation amplifier with low input bias current and high common-mode rejection ratio.

These alternative models offer similar