LMH6642MFX/NOPB

LMH6642MFX/NOPB Application Field and Working Principle

The LMH6642MFX/NOPB is a high-speed, low-power dual amplifier designed for use in instrumentation and high-frequency applications. This amplifier is designed to provide high-speed performance in a tiny package and is suitable for a wide range of applications. The LMH6642MFX/NOPB can be used as a buffer amplifier, an operational amplifier (op-amp) or a current gain stage.

Applications

The LMH6642MFX/NOPB amplifier is commonly used for high-frequency switching, active filters, instrumentation and other specialty designs. Additionally, the amplifier can be used in a large variety of control and signal processing applications, from small signal noise measurement to large industrial process control. In particular, its ability to drive high-performance buffered circuits makes it an ideal choice for driving opto-isolator outputs, low-power relays, solenoid drivers and motor control applications.

Principle of Operation

The LMH6642MFX/NOPB operates on a common-mode signal, which is a signal of the same polarity and magnitude across both inputs. This signal is amplified by a differential (different polarity) amplifier which provides a high voltage gain and high current gain. The high voltage and current gains of the amplifier enable it to drive large loads and provide a precise output. The LMH6642MFX/NOPB is also equipped with a bias control voltage input, allowing for precise control of the output voltage swing. The device also features a low quiescent current, making it an efficient choice for low-power applications.

Features

The LMH6642MFX/NOPB features low power consumption, high speed, low output offset voltage and low noise. The amplifier has an input range of up to ±30 volts, a common-mode voltage range of up to 20V, and an input current of up to 5mA. The output features a slew rate of up to 20V/us and a bandwidth of up to 10MHz. The device also features a high input impedance of up to 50kΩ.

Conclusion

The LMH6642MFX/NOPB amplifier is a high-performance, low-power, dual amplifier designed for use in instrumentation, frequency switching and active filter applications. It features a high voltage and current gain and has a low quiescent current, making it an efficient solution for low-power applications. The amplifier also has an input range of up to ±30 volts, a common-mode voltage range of up to 20V, and an input current of up to 5mA.

It is easy to see why the LMH6642MFX/NOPB is an ideal solution for high-performance, low-power applications. Its high voltage and current gains, low quiescent current, and high bandwidth and slew rate make it an excellent choice for a wide range of instrumentation, filtering, and other control and signal processing applications.