Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LMH6738MQX
詳細を表示 DataSheets

LMH6738MQX

Product Overview

Category: Integrated Circuit (IC)

Use: Amplifier

Characteristics: - High-speed voltage feedback amplifier - Wide bandwidth - Low distortion - Low noise - High slew rate

Package: MQX package

Essence: The LMH6738MQX is a high-performance voltage feedback amplifier designed for applications requiring wide bandwidth, low distortion, and low noise.

Packaging/Quantity: The LMH6738MQX is available in a MQX package and is typically sold in quantities of 100 units per reel.

Specifications

  • Supply Voltage Range: ±5V to ±15V
  • Bandwidth: 1.2 GHz
  • Slew Rate: 3000 V/µs
  • Input Noise Voltage: 3.9 nV/√Hz
  • Input Bias Current: 10 µA
  • Output Current: 150 mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LMH6738MQX has the following pin configuration:

  1. OUT-
  2. IN-
  3. V-
  4. V+
  5. IN+
  6. OUT+

Functional Features

  • High-speed amplification: The LMH6738MQX offers a wide bandwidth of 1.2 GHz, making it suitable for high-frequency applications.
  • Low distortion: With its low distortion characteristics, the LMH6738MQX ensures accurate signal reproduction.
  • Low noise: The amplifier's low input noise voltage of 3.9 nV/√Hz minimizes unwanted noise interference.
  • High slew rate: The high slew rate of 3000 V/µs enables the amplifier to quickly respond to fast input signal changes.

Advantages and Disadvantages

Advantages: - Wide bandwidth for high-frequency applications - Low distortion ensures accurate signal reproduction - Low noise minimizes unwanted interference - High slew rate allows for fast response to input signal changes

Disadvantages: - Requires dual power supply (±5V to ±15V) - Limited output current of 150 mA

Working Principles

The LMH6738MQX is a voltage feedback amplifier that amplifies the input voltage signal. It operates by using a differential input stage, followed by gain stages and an output stage. The differential input stage provides high common-mode rejection ratio (CMRR) and low input bias current. The gain stages amplify the input signal while maintaining low distortion and noise levels. Finally, the output stage provides a high-current drive capability.

Detailed Application Field Plans

The LMH6738MQX is commonly used in the following application fields:

  1. Audio systems: The amplifier's low distortion and low noise characteristics make it suitable for audio amplification in high-fidelity systems.
  2. Communication systems: With its wide bandwidth and high-speed amplification, the LMH6738MQX is ideal for use in communication systems requiring signal amplification.
  3. Test and measurement equipment: The amplifier's high slew rate and wide bandwidth make it suitable for use in test and measurement equipment, ensuring accurate signal analysis.

Detailed and Complete Alternative Models

  1. LMH6720MQX: Similar to the LMH6738MQX, this amplifier offers a wide bandwidth and low distortion but has a lower slew rate.
  2. LMH6714MQX: This amplifier provides a lower bandwidth compared to the LMH6738MQX but offers higher output current capability.
  3. LMH6629MQX: Designed for low-power applications, this amplifier has a lower supply voltage range and lower power consumption compared to the LMH6738MQX.

(Note: These alternative models are provided for reference and may have different specifications and characteristics. It is recommended to consult the respective datasheets for detailed information.)

Word count: 536 words

技術ソリューションにおける LMH6738MQX の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LMH6738MQX in technical solutions:

  1. Q: What is LMH6738MQX? A: LMH6738MQX is a high-speed, low-power operational amplifier (op-amp) designed for use in various technical applications.

  2. Q: What are the key features of LMH6738MQX? A: Some key features of LMH6738MQX include high bandwidth, low input bias current, low noise, low distortion, and wide supply voltage range.

  3. Q: What are the typical applications of LMH6738MQX? A: LMH6738MQX is commonly used in applications such as video amplification, data acquisition systems, medical instrumentation, and communication systems.

  4. Q: What is the maximum bandwidth of LMH6738MQX? A: The maximum bandwidth of LMH6738MQX is typically around several hundred megahertz (MHz), depending on the specific operating conditions.

  5. Q: What is the input voltage range of LMH6738MQX? A: The input voltage range of LMH6738MQX typically extends from the negative supply voltage to the positive supply voltage.

  6. Q: Can LMH6738MQX operate with a single power supply? A: Yes, LMH6738MQX can operate with a single power supply, making it suitable for applications where dual supplies are not available.

  7. Q: What is the output voltage swing of LMH6738MQX? A: The output voltage swing of LMH6738MQX typically extends close to the supply voltages, allowing for a wide dynamic range.

  8. Q: Does LMH6738MQX have built-in protection features? A: Yes, LMH6738MQX includes built-in features such as overvoltage protection and thermal shutdown to ensure safe operation.

  9. Q: What is the input bias current of LMH6738MQX? A: The input bias current of LMH6738MQX is typically very low, which helps minimize errors in precision applications.

  10. Q: Can LMH6738MQX drive capacitive loads? A: Yes, LMH6738MQX has a high output current capability, allowing it to drive capacitive loads without significant degradation in performance.

Please note that the specific details and specifications may vary depending on the manufacturer's datasheet and application requirements.