MAX4402AUA/V+

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The MAX4402AUA/V+ amplifier is a low-noise, low-distortion, low-power instrumentation amplifier that is designed to accurately amplify and filter low-level signals. It is part of the Linear-Amplifiers-Instrumentation, OP Amps, and Buffer Amps models from Maxim Integrated. The amplifier is designed for applications such as temperature measurement, acoustic measurement, and medical measurement systems. The MAX4402AUA/V+ features an adjustable-gain stage with a single-ended input and a low-noise amplifier with a high common-mode rejection ratio (CMRR). The adjustable-gain can be set between one and six decibels, with a maximum output current of 500 mA. The amplifier also features a high input impedance and low output impedance, which make it suitable for a wide range of applications.The MAX4402AUA/V+ operates on a single supply voltage of 2.5–5.5V, with a maximum supply current of 2mA. It is also capable of reaching a gain of up to 420V/V, with a signal bandwidth of 6Hz to 250kHz and a signal-to-noise ratio of 90dB. The amplifier is designed to be used in a variety of operating temperature ranges, from -40°C to +85°C.The MAX4402AUA/V+ circuit is composed of various components, including an adjustable-gain stage with a single-ended input, a low-noise amplifier with a high CMRR, and a voltage regulator. The amplifier\'s adjustable-gain stage comprises three resistors: one for the non-inverting input of the op-amp, and two for the inverting input of the op-amp. The low-noise amplifier features a high CMRR and is composed of two transistor pairs. The amplifier also features a power-saving shutdown mode, which reduces power consumption to 1μA.The MAX4402AUA/V+ works by amplifying and filtering very low-level signals. The adjustable-gain stage allows for a precise amplification of the signal, which is then filtered and amplified by the low-noise amplifier. The amplifier\'s wide input impedance allows for the signal to be accurately measured and amplified without significant load or bias currents. In addition, the amplifier\'s power-saving shutdown mode reduces power consumption, making it suitable for low-power applications.The MAX4402AUA/V+ is designed for use in a variety of applications. It is ideal for temperature measurement, acoustic measurement, medical measurement, and other low-level signal tasks. Its low power consumption and wide input impedance make it suitable for low-power low-voltage systems, such as battery-powered devices. Its low-noise amplifier and high CMRR make it suitable for filtering and amplifying low-level signals with high accuracy.In summary, the MAX4402AUA/V+ amplifier is a low-noise, low-distortion, low-power instrumentation amplifier that is designed to accurately amplify and filter signals. It features an adjustable-gain stage with a single-ended input and a low-noise amplifier with a high CMRR. The amplifier is designed to operate on a single supply voltage of 2.5–5.5V, with a maximum supply current of 2mA. The amplifier is suitable for a wide range of applications, such as temperature measurement, acoustic measurement, and medical measurement systems, and is also capable of reaching a gain of up to 420V/V. The MAX4402AUA/V+ is an ideal choice for a variety of low-level signal tasks.

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