OPA2890IDR

Product Overview

Category

OPA2890IDR belongs to the category of operational amplifiers (op-amps).

Use

The OPA2890IDR op-amp is commonly used in various electronic circuits for amplification and signal conditioning purposes.

Characteristics

• High gain: The OPA2890IDR offers a high open-loop voltage gain, making it suitable for applications requiring precise amplification.
• Low noise: This op-amp has low input noise, ensuring accurate signal processing.
• Wide bandwidth: With a wide bandwidth, the OPA2890IDR can handle high-frequency signals effectively.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Rail-to-rail inputs and outputs: The op-amp supports input and output signals that can swing close to the supply rails.

Package

The OPA2890IDR comes in a small outline package (SOIC) with eight pins.

Essence

The essence of the OPA2890IDR lies in its ability to provide high-performance amplification and signal conditioning in a compact package.

Packaging/Quantity

The OPA2890IDR is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage range: ±2.25V to ±18V
• Input offset voltage: 1.5mV (maximum)
• Input bias current: 1pA (maximum)
• Gain bandwidth product: 10MHz
• Slew rate: 7V/µs
• Operating temperature range: -40°C to +125°C

Pin Configuration

The OPA2890IDR features the following pin configuration:

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

Functional Features

• High precision amplification: The OPA2890IDR provides accurate amplification of input signals.
• Low distortion: It ensures minimal distortion in the amplified output signal.
• Stable operation: The op-amp maintains stability even with varying load conditions.
• Wide common-mode voltage range: It can handle a wide range of common-mode voltages without affecting performance.

Advantages and Disadvantages

Advantages

• High gain and low noise enable precise signal amplification.
• Wide bandwidth allows for effective handling of high-frequency signals.
• Low power consumption makes it suitable for battery-powered devices.
• Rail-to-rail inputs and outputs provide flexibility in signal swing.

Disadvantages

• Limited supply voltage range compared to some other op-amps.
• Relatively higher input offset voltage may require additional calibration in certain applications.

Working Principles

The OPA2890IDR 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 a linear function of this voltage difference.

Detailed Application Field Plans

The OPA2890IDR finds applications in various fields, including: 1. Audio amplification: It can be used in audio systems to amplify weak audio signals. 2. Sensor signal conditioning: The op-amp can condition sensor signals for further processing. 3. Active filters: It is suitable for implementing active filter circuits for signal shaping. 4. Data acquisition systems: The OPA2890IDR can be utilized in data acquisition systems for accurate signal measurement.

Detailed and Complete Alternative Models

Some alternative models to the OPA2890IDR include: - OPA189: A precision op-amp with similar characteristics and performance. - LT1677: An ultra-low noise op-amp suitable for high-precision applications. - AD8628: A rail-to-rail input/output op-amp with low power consumption.

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

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