LMH6619QMAKX/NOPB

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The LMH6619QMAKX/NOPB is an instrumentation amplifier and a buffer amplifier specifically designed to meet the technical needs of operating over a wide range of frequencies and temperature changes. It is suitable for many applications in the entertainment, medical and industrial automation markets. With its wide and high-speed functionality, this instrumentation amplifier and buffer is designed with the goal of providing a low cost, reliable, low power, and highly accurate solution to various analysis, detection and measurement issues.

Application Field

The LMH6619QMAKX/NOPB is ideally suited for low-level signal applications and signal conditioning in areas such as instrumentation, medical, and industrial automation. It has both high-gain, low-offset and low-noise performance, making it a perfect fit for instrumentation applications requiring a low input bias current, low noise, and low offset, such as Pro Audio, Wireless, Industrial and Medical instrumentation.

The amplifier and buffer amplifier can be used for voltage-to-current and current-to-voltage conversion and signal conditioning in equipment such as:

• Medical equipment
• Test equipment
• Remote control devices
• Analog-to-digital converters
• RFID scanners
• Etc.

Since the amplifier and buffer are single-supply devices, they are flexible and can be used with a variety of systems, such as conventional 4-20mA, 5V 3-state, 12V 3-state, dual/tri/quad CMOS, etc. With its wide bandwidth, it can be used in bandwidth-critical applications such as:

• High-speed data-acquisition systems
• Precision-instrumentation systems
• Wireless communication systems
• Industrial automation systems
• Motor-control systems
• Etc.

Furthermore, its low power consumption makes it ideal for portable and battery-powered applications.

Working Principle

The LMH6619QMAKX/NOPB amplifier and buffer combines a number of features on a single integrated circuit. It includes an input buffer, a differential amplifier, a gain amplifier, and an output buffer. The input buffer amplifies the input signal and provides an input range from 0V to 5V. The differential amplifier further amplifies the signal and provides a gain range from approximately 1 to 1000. The differential amplifier\'s gain is set by the gain resistance of the component, which is adjustable. The output buffer can drive a loads up to 500mA and must be used with a single-supply voltage of 3.3V or 5V.

The amplifier and buffer\'s true low noise performance and wide frequency range provided by its wide bandwidth make it very suitable for precision instrumentation and low-level signal applications. Additionally, its open-loop gain-dominant architecture enables a high common-mode rejection ratio, making it a suitable device for high-sensitivity instrumentation applications. Additionally, with its single-supply operation and low power consumption, it is an ideal choice for use in portable applications.

In summary, the LMH6619QMAKX/NOPB is a low-cost, reliable, low-power, and highly accurate solution for numerous analysis, detection, and measurement requirements. With its low input bias current, low noise, and low offset, it is ideally suited for low-level signal applications and signal conditioning in areas such as instrumentation, medical, and industrial automation, as well as for wide-bandwidth applications such as high-speed data-acquisition systems, precision-instrumentation systems, and wireless communication systems.

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