LMH6738MQX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LMH6738MQX/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 LMH6738MQX/NOPB offers a bandwidth of up to 1 GHz, making it suitable for high-frequency applications. - Low distortion: With a low total harmonic distortion (THD) of less than 0.01%, the LMH6738MQX/NOPB ensures accurate signal reproduction. - High slew rate: The amplifier has a high slew rate of 2000 V/µs, enabling it to quickly respond to fast input signals. - Low noise: It features a low input voltage noise density of 3.5 nV/√Hz, ensuring minimal interference with the desired signal.

Package: The LMH6738MQX/NOPB is available in a small outline package (SOIC) with 8 pins.

Essence: This operational amplifier provides high performance and versatility, making it an essential component in various electronic circuits.

Packaging/Quantity: The LMH6738MQX/NOPB is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage: ±5V to ±15V
• Input Offset Voltage: ±1 mV
• Input Bias Current: ±2 µA
• Output Current: ±50 mA
• Operating Temperature Range: -40°C to +85°C
• Gain Bandwidth Product: 1 GHz
• Slew Rate: 2000 V/µs
• Total Harmonic Distortion (THD): <0.01%
• Input Voltage Noise Density: 3.5 nV/√Hz

Detailed Pin Configuration

The LMH6738MQX/NOPB has the following pin configuration:

1. V-
2. IN-
3. IN+
4. V+
5. OUT
6. NC (No Connection)
7. NC (No Connection)
8. V-

Functional Features

• High bandwidth: The LMH6738MQX/NOPB offers a wide bandwidth of 1 GHz, allowing it to handle high-frequency signals accurately.
• Low distortion: With a low THD of less than 0.01%, this operational amplifier ensures faithful signal reproduction.
• High slew rate: The amplifier's high slew rate of 2000 V/µs enables it to respond quickly to fast input signals.
• Low noise: It features low input voltage noise density, minimizing interference with the desired signal.

Advantages and Disadvantages

Advantages: - Wide bandwidth for high-frequency applications - Low distortion for accurate signal reproduction - High slew rate for fast response to input signals - Low noise for minimal interference

Disadvantages: - Limited number of pins for additional functionality - Requires external power supply

Working Principles

The LMH6738MQX/NOPB is based on a differential amplifier configuration. It amplifies the difference between the IN+ and IN- inputs, providing a high-gain output signal. The amplifier operates in a class-AB configuration, ensuring low distortion and high linearity. It requires a dual power supply to operate within the specified voltage range.

Detailed Application Field Plans

The LMH6738MQX/NOPB can be used in various applications, including: 1. Audio equipment: It can be used in audio amplifiers, mixers, and equalizers to ensure accurate and high-fidelity sound reproduction. 2. Video equipment: The amplifier is suitable for video distribution systems, video switchers, and video signal processing circuits. 3. Communication systems: It can be used in high-speed data transmission systems, optical communication systems, and wireless communication devices. 4. Instrumentation: The LMH6738MQX/NOPB finds applications in oscilloscopes, signal generators, and other measurement instruments that require high bandwidth and low distortion.

Detailed and Complete Alternative Models

1. LMH6720: This operational amplifier offers similar performance characteristics and pin configuration as the LMH6738MQX/NOPB but operates at a lower gain bandwidth product of 500 MHz.
2. LMH6739: With a gain bandwidth product of 2 GHz, this alternative model provides higher bandwidth than the LMH6738MQX/NOPB while maintaining low distortion and noise levels.
3. LMH6715: This operational amplifier is optimized for low power consumption and operates at a lower supply voltage range compared to the LMH6738MQX/NOPB.

These alternative models can be considered based on specific application requirements and design constraints.

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