OPA4743EA/250G4

Product Overview

Category

OPA4743EA/250G4 belongs to the category of operational amplifiers (op-amps).

Use

This product is commonly used in electronic circuits for amplifying and processing analog signals.

Characteristics

• High gain: The OPA4743EA/250G4 offers a high voltage gain, allowing for accurate signal amplification.
• Low noise: It has low input and output noise levels, ensuring minimal interference with the desired signal.
• Wide bandwidth: This op-amp provides a wide frequency response range, enabling it to handle various signal frequencies.
• Low power consumption: The OPA4743EA/250G4 is designed to operate efficiently with low power requirements.
• Rail-to-rail input/output: It supports input and output signals that can swing close to the power supply rails.

Package

The OPA4743EA/250G4 is available in a small outline package (SOIC) format. This package offers ease of integration into circuit boards and efficient heat dissipation.

Essence

The essence of the OPA4743EA/250G4 lies in its ability to amplify and process analog signals accurately and efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply voltage: ±2.5V to ±18V
• Input offset voltage: 1mV (maximum)
• Input bias current: 10nA (maximum)
• Gain bandwidth product: 10MHz
• Slew rate: 7V/µs
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA4743EA/250G4 features a standard dual in-line package (DIP) pin configuration with eight pins:

1. V- (Negative power supply)
2. IN- (Inverting input)
3. IN+ (Non-inverting input)
4. V+ (Positive power supply)
5. OUT (Output)
6. NC (No connection)
7. NC (No connection)
8. V- (Negative power supply)

Functional Features

• High voltage gain: The OPA4743EA/250G4 provides a high open-loop voltage gain, allowing for precise signal amplification.
• Low distortion: It exhibits low harmonic distortion, ensuring accurate reproduction of the input signal.
• Unity-gain stable: This op-amp is designed to remain stable even at unity gain configuration.
• Wide common-mode range: It supports a wide range of common-mode input voltages, making it suitable for various applications.
• Short-circuit protection: The OPA4743EA/250G4 incorporates internal circuitry to protect against short-circuits.

Advantages and Disadvantages

Advantages

• High gain and low noise enable accurate signal amplification.
• Wide bandwidth allows for handling a broad range of frequencies.
• Low power consumption ensures energy efficiency.
• Rail-to-rail input/output capability enhances versatility in signal processing.

Disadvantages

• Limited output current capability may restrict its use in certain applications.
• Higher cost compared to some other op-amp models with similar specifications.

Working Principles

The OPA4743EA/250G4 operates based on the principles of differential amplification. It amplifies the voltage difference between its inverting and non-inverting inputs, producing an amplified output signal. The internal circuitry ensures stability, low distortion, and protection against short-circuits.

Detailed Application Field Plans

The OPA4743EA/250G4 finds applications in various fields, including: 1. Audio amplification: It can be used in audio amplifiers to enhance the volume and quality of sound signals. 2. Sensor signal conditioning: This op-amp is suitable for amplifying and processing signals from sensors, such as temperature or pressure sensors. 3. Active filters: It can be utilized in active filter circuits to shape and modify analog signals. 4. Instrumentation systems: The OPA4743EA/250G4 is commonly employed in precision measurement and control systems.

Detailed and Complete Alternative Models

1. OPA4134: This op-amp offers similar characteristics and performance to the OPA4743EA/250G4, with a higher slew rate and lower input offset voltage.
2. LM358: A popular general-purpose op-amp with lower cost but slightly reduced performance compared to the OPA4743EA/250G4.
3. AD8628: This op-amp provides low noise and high precision, making it suitable for demanding applications.

In conclusion, the OPA4743EA/250G4 is an operational amplifier that excels in accurate signal amplification, low noise operation, and wide bandwidth. Its compact package and versatile functionality make it a valuable