Texas Instruments

LMH6658MM

LMH6658MM Description

The LMH6658MM is a high-performance, dual-channel voltage feedback operational amplifier (op-amp) from Texas Instruments. This op-amp is designed to deliver exceptional performance in a compact 8HVSSOP package, making it ideal for a variety of high-speed analog applications. With a maximum supply voltage span of 12 V and a minimum of 3 V, the LMH6658MM offers a wide operating voltage range, ensuring flexibility in power supply design. Its gain bandwidth product of 140 MHz and -3 dB bandwidth of 270 MHz make it suitable for applications requiring high-frequency signal processing. The LMH6658MM also boasts a high slew rate of 700 V/µs, which is crucial for maintaining signal integrity in high-speed circuits.

LMH6658MM Features

• High Gain Bandwidth Product: The LMH6658MM's 140 MHz gain bandwidth product ensures high-frequency performance, making it ideal for applications such as video signal processing and high-speed data acquisition.
• High Slew Rate: With a slew rate of 700 V/µs, the LMH6658MM can handle fast signal transitions without distortion, ensuring accurate signal reproduction.
• Low Input Bias Current: The 5 µA input bias current minimizes offset errors and improves the stability of the amplifier, especially in high-impedance circuits.
• Dual-Channel Design: The LMH6658MM features two independent amplifiers, allowing for increased functionality in a single package, which is beneficial for space-constrained designs.
• Wide Supply Voltage Range: The ability to operate from 3 V to 12 V supply voltages provides flexibility in power supply design and compatibility with various power sources.
• Low Input Offset Voltage: The 1 mV input offset voltage ensures high accuracy in signal amplification, making it suitable for precision applications.
• High Output Current: Each channel can deliver up to 110 mA of output current, enabling the LMH6658MM to drive heavy loads effectively.
• Surface Mount Technology: The surface mount package type facilitates easy integration into modern PCB designs and enhances reliability in automated assembly processes.

LMH6658MM Applications

The LMH6658MM is well-suited for a range of applications that demand high-speed and high-precision signal processing. Some specific use cases include:

• Video Signal Processing: The high bandwidth and slew rate make the LMH6658MM ideal for processing high-definition video signals, ensuring minimal distortion and accurate color reproduction.
• High-Speed Data Acquisition: The op-amp's performance characteristics enable it to handle high-frequency data signals, making it suitable for applications such as oscilloscopes and high-speed ADC interfaces.
• RF and Communication Systems: The wide bandwidth and low noise characteristics of the LMH6658MM make it suitable for use in RF front-end circuits and communication systems.
• Precision Instrumentation: The low input offset voltage and high gain bandwidth product make the LMH6658MM a good choice for precision instrumentation applications, such as signal conditioning and amplification in sensors and transducers.

Conclusion of LMH6658MM

The LMH6658MM from Texas Instruments is a high-performance dual-channel voltage feedback operational amplifier that offers a combination of high bandwidth, high slew rate, and low input bias current. Its wide supply voltage range and compact surface mount package make it a versatile choice for a variety of high-speed analog applications. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for engineers and designers working on legacy systems or seeking a reliable op-amp for specific high-frequency applications.