LMH6682MMX

Product Overview

Category: Integrated Circuit (IC)

Use: LMH6682MMX is a high-speed operational amplifier designed for use in a wide range of applications, including professional audio equipment, medical imaging systems, and high-speed data acquisition.

Characteristics: - High bandwidth: The LMH6682MMX offers a bandwidth of up to 1.4 GHz, making it suitable for high-frequency signal processing. - Low distortion: With a low total harmonic distortion (THD) of less than 0.01%, this amplifier ensures accurate signal reproduction. - High slew rate: The LMH6682MMX has a high slew rate of 2500 V/µs, enabling it to handle fast input signals with minimal distortion. - Wide supply voltage range: It operates from a single supply voltage ranging from 4.5V to 12V, providing flexibility in various applications. - Small package size: The LMH6682MMX comes in a miniature 8-pin surface mount package, allowing for space-efficient designs.

Package and Quantity: The LMH6682MMX is available in a small outline integrated circuit (SOIC) package. Each package contains one LMH6682MMX operational amplifier.

Specifications

• Supply Voltage Range: 4.5V to 12V
• Bandwidth: Up to 1.4 GHz
• Slew Rate: 2500 V/µs
• Total Harmonic Distortion (THD): < 0.01%
• Input Offset Voltage: ±1 mV
• Input Bias Current: ±10 nA
• Output Current: ±100 mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LMH6682MMX has the following pin configuration:

```

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| | --| V- OUT |-- --| V+ NC |-- --| IN- VCC |-- --| IN+ GND |-- --| NC NC |-- --| NC VEE |-- |___________| ```

Functional Features

1. High-Speed Operation: The LMH6682MMX offers a fast response time, making it suitable for applications requiring high-speed signal amplification.
2. Low Distortion: With its low THD, the amplifier ensures accurate signal reproduction without introducing significant harmonic distortion.
3. Wide Supply Voltage Range: The LMH6682MMX can operate from a single supply voltage, providing flexibility in various power supply configurations.
4. Rail-to-Rail Inputs and Outputs: This feature allows the amplifier to handle signals close to the supply rails, maximizing dynamic range.

Advantages and Disadvantages

Advantages: - High bandwidth enables accurate amplification of high-frequency signals. - Low distortion ensures faithful reproduction of input signals. - Small package size allows for space-efficient designs. - Wide supply voltage range provides flexibility in power supply configurations.

Disadvantages: - Limited availability of alternative models with similar specifications. - Higher cost compared to some other operational amplifiers in the market.

Working Principles

The LMH6682MMX is based on a voltage feedback architecture, utilizing a differential input stage followed by a gain stage. It employs advanced semiconductor processes to achieve high-speed operation and low distortion characteristics. The amplifier amplifies the input signal while maintaining linearity and minimizing distortion.

Application Field Plans

The LMH6682MMX finds applications in various fields, including: 1. Professional Audio Equipment: It can be used in audio mixers, preamplifiers, and equalizers to amplify and process audio signals accurately. 2. Medical Imaging Systems: The amplifier can be employed in medical imaging devices, such as ultrasound machines and MRI scanners, to amplify the weak signals received from sensors. 3. High-Speed Data Acquisition: It is suitable for high-speed data acquisition systems, enabling accurate amplification of fast analog signals.

Alternative Models

While the LMH6682MMX offers unique specifications and features, alternative models with similar characteristics include: - AD8065 by Analog Devices - THS3091 by Texas Instruments - LT1819 by Linear Technology

These alternatives provide comparable performance and can be considered based on specific application requirements.

In conclusion, the LMH6682MMX is a high-speed operational amplifier that offers excellent bandwidth, low distortion, and wide supply voltage range. Its small package size makes it suitable for space-constrained designs. With applications ranging from professional audio equipment to medical imaging systems, this amplifier provides reliable signal amplification in various fields.