LMH6618MKE/NOPB

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LMH6618MKE/NOPB is a precision monolithic amplifier chip developed by Texas Instruments, optimized for modern instrumentation amplifiers and high performance buffer/drivers. It is used as both an instrumentation amplifier and a buffer/driver with adjustable gain and offset, and can be used to amplify current or voltage signals.

Application Field:

The LMH6618MKE/NOPB is designed primarily for the instrumentation, medical and automotive markets, providing precision amplification and buffering with a wide range of gain and offset settings that can be tailored to suit specific applications. It is particularly well suited to automotive test/measurement and medical instrumentation applications, where it can be used to measure and store current/voltage inputs and process signals for further analysis. It can also be used for consumer audio applications, providing a very clean and low distortion signal.

Working Principle:

The LMH6618MKE/NOPB is an amplifier with two differential inputs, an output, and two power supply pins. It provides precise gain, offset and high common mode rejection through the use of an integrated fully differential amplifier core, with adjustable gain and offset settings available via three external programmable resistors. The differential input stage is followed by a programmable transconductance amplifier with adjustable offset, which can either amplify a differential signal or reject a common mode signal depending on the chosen settings. The output stage is a low noise, low distortion voltage buffer, which converts the current input signals into a voltage output.

The LMH6618MKE/NOPB uses a low power supply voltage, which reduces power consumption and improves system efficiency. It is able to drive large load capacitance, making it ideal for driving high precision filters as well as providing low output noise operation. It also incorporates short circuit protection and thermal protection to protect the amplifier in the event of an unexpected fault.

The LMH6618MKE/NOPB has a wide range of uses, not least in the instrumentation, medical and automotive markets, and its excellent accuracy, isolation and flexibility make it a great choice for a range of applications.

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