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LMH6555SQX/NOPB

LMH6555SQX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LMH6555SQX/NOPB is a high-speed operational amplifier designed for use in various applications that require wide bandwidth and low distortion. It is commonly used in audio and video equipment, communication systems, and instrumentation.

Characteristics: - Wide bandwidth: The LMH6555SQX/NOPB offers a bandwidth of up to 1.3 GHz, making it suitable for high-frequency applications. - Low distortion: With a low total harmonic distortion (THD) of less than 0.01%, the LMH6555SQX/NOPB ensures accurate signal reproduction. - High slew rate: The amplifier has a high slew rate of 4100 V/µs, enabling it to handle fast input signals effectively. - Low noise: The LMH6555SQX/NOPB features a low input voltage noise density of 2.7 nV/√Hz, ensuring minimal noise interference.

Package: The LMH6555SQX/NOPB comes in a small outline package (SOIC) with eight pins.

Essence: This operational amplifier is designed to provide high performance and reliability in high-speed applications, delivering precise and undistorted signals.

Packaging/Quantity: The LMH6555SQX/NOPB is typically packaged in reels containing 2500 units.

Specifications

  • Supply Voltage Range: ±2.5V to ±6V
  • Input Offset Voltage: ±1 mV
  • Input Bias Current: 2.5 µA
  • Output Current: 100 mA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LMH6555SQX/NOPB has the following pin configuration:

```


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

Functional Features

  1. High Bandwidth: The LMH6555SQX/NOPB offers a wide bandwidth of up to 1.3 GHz, allowing it to handle high-frequency signals accurately.
  2. Low Distortion: With a low THD of less than 0.01%, the amplifier ensures minimal signal distortion, making it suitable for applications that require precise signal reproduction.
  3. High Slew Rate: The high slew rate of 4100 V/µs enables the amplifier to respond quickly to fast input signals, maintaining signal integrity.
  4. Low Noise: The LMH6555SQX/NOPB has a low input voltage noise density, minimizing unwanted noise in sensitive applications.

Advantages and Disadvantages

Advantages: - Wide bandwidth for high-frequency applications - Low distortion for accurate signal reproduction - High slew rate for effective handling of fast input signals - Low noise interference for improved signal quality

Disadvantages: - Limited supply voltage range (±2.5V to ±6V) - Eight-pin package may limit the number of available pins for other connections in complex circuits

Working Principles

The LMH6555SQX/NOPB operates as a voltage amplifier, amplifying the difference between the input voltages applied to its non-inverting (+) and inverting (-) inputs. It utilizes internal circuitry to provide high gain, wide bandwidth, and low distortion. The amplifier's output voltage is proportional to the difference between the input voltages, with the amplification determined by the gain setting.

Detailed Application Field Plans

The LMH6555SQX/NOPB finds applications in various fields, including:

  1. Audio and Video Equipment: The amplifier is used in audio amplifiers, preamplifiers, equalizers, and video distribution systems to ensure accurate signal reproduction and minimal distortion.
  2. Communication Systems: It is employed in high-speed data transmission systems, fiber optic communication networks, and wireless communication devices to amplify and process signals with high fidelity.
  3. Instrumentation: The LMH6555SQX/NOPB is utilized in test and measurement equipment, oscilloscopes, and signal generators to maintain signal integrity and provide precise measurements.

Detailed and Complete Alternative Models

  1. AD8057ARZ: This operational amplifier offers similar characteristics and performance to the LMH6555SQX/NOPB, with a bandwidth of 1.3 GHz, low distortion, and high slew rate.
  2. OPA656N/250: Another alternative model with comparable specifications, including a wide bandwidth, low distortion, and high slew rate suitable for high-speed applications.

These alternative models can

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  1. What is the maximum supply voltage for LMH6555SQX/NOPB?
    - The maximum supply voltage for LMH6555SQX/NOPB is 12V.

  2. What is the typical input offset voltage of LMH6555SQX/NOPB?
    - The typical input offset voltage of LMH6555SQX/NOPB is 0.1mV.

  3. Can LMH6555SQX/NOPB operate with a single power supply?
    - Yes, LMH6555SQX/NOPB can operate with a single power supply ranging from 5V to 12V.

  4. What is the bandwidth of LMH6555SQX/NOPB?
    - The bandwidth of LMH6555SQX/NOPB is 720MHz.

  5. Does LMH6555SQX/NOPB have thermal shutdown protection?
    - No, LMH6555SQX/NOPB does not have thermal shutdown protection.

  6. What is the input common-mode voltage range for LMH6555SQX/NOPB?
    - The input common-mode voltage range for LMH6555SQX/NOPB is from -0.1V to VCC-1.5V.

  7. Is LMH6555SQX/NOPB suitable for high-speed data acquisition systems?
    - Yes, LMH6555SQX/NOPB is suitable for high-speed data acquisition systems.

  8. What is the typical input bias current of LMH6555SQX/NOPB?
    - The typical input bias current of LMH6555SQX/NOPB is 1.5pA.

  9. Can LMH6555SQX/NOPB be used in active filter applications?
    - Yes, LMH6555SQX/NOPB can be used in active filter applications.

  10. What is the typical slew rate of LMH6555SQX/NOPB?
    - The typical slew rate of LMH6555SQX/NOPB is 4100V/µs.