OPA128JM

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA128JM is a high-speed, precision operational amplifier designed for use in various applications that require accurate signal amplification and processing.

Characteristics: - High speed: The OPA128JM offers fast response times, making it suitable for applications requiring rapid signal processing. - Precision: It provides precise amplification with low offset voltage and low input bias current, ensuring accurate signal reproduction. - Wide bandwidth: The amplifier has a wide frequency range, allowing it to handle signals across a broad spectrum. - Low noise: The OPA128JM minimizes unwanted noise interference, enabling clear and reliable signal amplification.

Package: The OPA128JM is available in a small outline package (SOP) or a dual flat no-lead package (DFN), which ensures easy integration into various circuit designs.

Essence: The OPA128JM is an essential component in electronic circuits that require high-speed and accurate signal amplification.

Packaging/Quantity: The OPA128JM is typically sold in reels or tubes, containing a specified quantity of ICs per package.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 0.5mV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 50MHz
• Slew Rate: 20V/µs
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA128JM features a standard 8-pin dual in-line package (DIP) configuration:

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

Functional Features

• High gain: The OPA128JM offers a high open-loop gain, allowing for precise amplification of small input signals.
• Rail-to-rail output: It provides an output voltage range that extends close to the supply rails, enabling maximum signal swing.
• Low distortion: The amplifier maintains low harmonic distortion, ensuring faithful reproduction of the input signal.
• Unity-gain stable: The OPA128JM remains stable even at unity gain, making it suitable for applications requiring a voltage follower configuration.

Advantages and Disadvantages

Advantages: - High-speed performance - Accurate signal amplification - Wide frequency response - Low noise interference - Easy integration into circuit designs

Disadvantages: - Relatively higher power consumption compared to some low-power operational amplifiers - Limited availability in certain package options

Working Principles

The OPA128JM operates based on the principles of differential amplification. It amplifies the voltage difference between its two input terminals, providing an amplified output signal. The amplifier's internal circuitry ensures accurate amplification while minimizing unwanted noise and distortion.

Detailed Application Field Plans

The OPA128JM finds application in various fields, including: 1. Audio amplification: It can be used in audio equipment to amplify low-level audio signals with high fidelity. 2. Instrumentation: The amplifier is suitable for precision measurement instruments that require accurate signal conditioning. 3. Communications: It can be utilized in communication systems for signal processing and amplification. 4. Medical devices: The OPA128JM is employed in medical equipment for amplifying bioelectric signals with high accuracy.

Alternative Models

For users seeking alternative options, the following models provide similar functionality to the OPA128JM: - OPA129JM - OPA827 - LT1028 - AD797

These models offer comparable performance and can be considered as alternatives based on specific application requirements.

In conclusion, the OPA128JM is a high-speed, precision operational amplifier that excels in accurate signal amplification across various applications. Its wide bandwidth, low noise, and rail-to-rail output make it a versatile choice for demanding circuit designs.