MAX4185EUB+T

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The MAX4185EUB+T is a low-noise, high power amplifier which combines two single-ended amplifiers into one package. It is designed specifically to provide gain, low noise, and high output power in a single 16-ball contact form factor. It is ideal for a variety of linear and instrumentation applications, such as signal conditioning, amplification, impedance matching and power identification.

Overview

The MAX4185EUB+T consists of two identical amplifiers, each capable of producing up to about 5 watts of output power. Each amplifier is an internally compensated and buffered differential amplifier with high gain, excellent power supply transient protection, high current capability, and high output power. The amplifiers are designed to operate from a single +5 V supply and will provide excellent performance in applications from 1 Hz to 1 MHz. The output of the MAX4185EUB+T can be adjusted from zero to unity by adjusting the external resistors at the output.

Applications

The MAX4185EUB+T is suitable for a variety of linear and instrumentation applications. Examples include signal conditioning, impedance matching, power control, voltage regulation, and power identification. It is particularly useful in applications where low-noise performance, high output power, and accuracy are critical. The amplifiers can be used to drive larger loads such as piezo transducers and other devices.

Working Principle

The MAX4185EUB+T is a differential amplifier using two single-ended amplifiers in one package. The input signal is differentiated by the differential amplifier and then amplified. The output signal is then buffered by a pair of unity gain buffers. The buffers reduce output impedance and improve stability. The internal compensation and buffering of the amplifier allows for stable operation up to 1 MHz. The gain of the amplifier can be adjusted to unity by connecting external resistors at the output.

Conclusion

The MAX4185EUB+T is a versatile, low-noise, high power amplifier designed specifically for linear and instrumentation applications. The amplifier offers excellent performance at low frequencies, high output power, and adjustable gain. It is an ideal solution for signal conditioning, impedance matching, power control, and other applications.

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