Texas Instruments

LMH6644MT

LMH6644MT Description

The LMH6644MT is a high-performance, quad-channel operational amplifier from Texas Instruments, featuring a voltage feedback architecture. This obsolete model, part of the LMH® series, offers a wide supply voltage range from 2.7 V to 12.8 V, making it suitable for a variety of power supply configurations. The LMH6644MT is housed in a tube package and is designed for surface-mount applications, ensuring ease of integration into compact electronic designs.

LMH6644MT Features

• Wide Supply Voltage Range: The LMH6644MT operates effectively within a supply voltage span of 2.7 V to 12.8 V, providing flexibility for different power supply requirements.
• High Bandwidth and Slew Rate: With a -3dB bandwidth of 130 MHz and a slew rate of 135 V/µs, this amplifier delivers exceptional performance in high-frequency applications, ensuring minimal signal distortion and fast transient response.
• Low Input Bias Current: The input bias current of 1.6 µA minimizes the impact of bias currents on the overall circuit performance, making it ideal for precision applications.
• Low Input Offset Voltage: An input offset voltage of 1 mV ensures accurate signal amplification, reducing errors in sensitive analog circuits.
• High Output Current: Each channel can deliver up to 75 mA of output current, allowing the LMH6644MT to drive substantial loads without additional buffering.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LMH6644MT is suitable for a wide range of environmental conditions, ensuring reliability in various applications.
• Compliance and Safety: The LMH6644MT is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and safety standards.

LMH6644MT Applications

The LMH6644MT is well-suited for applications requiring high-speed signal processing and precision amplification. Its wide supply voltage range and high bandwidth make it ideal for:

• High-Speed Signal Conditioning: Ideal for amplifying and conditioning high-frequency signals in communication systems, radar, and sonar applications.
• Precision Instrumentation: Suitable for use in precision measurement equipment where low input offset voltage and bias current are critical.
• Video Signal Processing: The high slew rate and bandwidth make it suitable for video signal amplification, ensuring clear and accurate video transmission.
• Data Acquisition Systems: The LMH6644MT can be used in data acquisition systems where high-speed analog-to-digital conversion is required.

Conclusion of LMH6644MT

The LMH6644MT from Texas Instruments is a versatile and high-performance quad-channel operational amplifier, offering a combination of wide supply voltage range, high bandwidth, and low input bias current. Despite being obsolete, its technical specifications make it a reliable choice for applications requiring precision and high-speed signal processing. The LMH6644MT's robust design and compliance with international standards ensure its continued relevance in the electronics industry.