LMH0002SQ/NOPB

LMH0002SQ/NOPB Application Field and Working Principle

Introduction

The LMH0002SQ/NOPB is a low power, low noise, high gain, wideband amplifier that combines excellent linearity performance and high dynamic range. It is well suited for high performance video applications that demand low noise, low power consumption, and high gain linearity. This application note will cover the basics of the LMH0002SQ/NOPB amplifier’s application field and working principles.

Application Field

The LMH0002SQ/NOPB amplifier is suitable for high performance video applications such as HDTV, HDTV receivers, video cameras, and video processing. It is optimized for use in applications such as low noise video preamplifier, active filter, imaging processing, and transcoder. The device is also suited for applications such as Buffering, Voltage Follower, Line Drivers and low noise Video Preamplifiers. Its low power consumption and wide bandwidth make it well suited for portable applications. Its wide operating temperature range allows it to be used in both commercial and industrial environments.

Working Principle

The LMH0002SQ/NOPB amplifier is based on a low voltage, low power architecture. The device includes an input stage with voltage feedback to the output stage, a unity gain differential output buffer and an output stage with current feedback. The device includes a wideband, high gain current feedback amplifier with an adjustable current feedback gain, which allows the user to adjust the gain setting of the amplifier between 1 and 1000. The device also includes a low noise voltage gain preamplifier, which provides an adjustable gain setting between 0 and 60dB. The overall gain of the amplifier is determined by the current feedback gain, voltage gain and current feedforward gain.

Conclusion

The LMH0002SQ/NOPB amplifier is well suited for high performance video applications that demand low noise, low power consumption, and high gain linearity. Its wide operating temperature range allows it to be used in both commercial and industrial environments. The device can be used as an active filter, imaging processor, transcoder, voltage follower, line driver or low noise video preamplifier. Its adjustable gain can be used to precisely control the amount of gain required for a given application.