MAX4365ETA+T

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The MAX4365ETA+T is a dual-channel variable gain amplifier that forms an integral part of any linear audio application. The device provides a low-noise, wide-bandwidth, low-cost solution for audio applications such as audio mixing, control systems, and for more complex applications like frequency compressors, limiters and noise gates. The MAX4365ETA+T features a full differential amplifier architecture, wide frequency response, low noise, high speed, and low complexity.

The MAX4365ETA+T comes in a hermetic package with a temperature range of -25°C to +105°C. It operates from a single +5V supply and is available in an SOP-8 package. The device is designed to operate at low power, consuming only 0.5 mA at maximum gain and 0.15 mA at minimum gain. The MAX4365ETA+T provides a wide gain range, from -88dB to +84dB, with a total gain range of 172dB. The gain range is adjustable via an external voltage source, with a maximum input voltage of 2V. The device also features a differential input impedance of 100ohm, allowing it to be operated easily with both digital and analogue signals.

At the heart of the MAX4365ETA+T is a differential amplifier with two input amplifiers, one high-gain and one low-gain. The two input amplifiers are connected in series, with each having its own gain range. The high-gain input amplifier provides a gain range of 0dB to 84dB by using an external voltage source, while the low-gain amplifier provides a gain range of -88dB to 0dB. The high-gain amplifier also provides a gain select pin which allows the user to select between the low and high gain ranges. When the gain select pin is used, the user can select the gain range of either the low or high input amplifier, depending on the selected gain.

The MAX4365ETA+T also offers a variety of protection features. It has overvoltage resistors, overcurrent protection, and thermal protection to protect the device from damage. The overvoltage protection prevents excessive input voltage from damaging the device and the overcurrent protection prevents the device from shorting out and being damaged. The device also features a built-in thermal shutdown switch, which automatically shuts down the device in case of a thermal overload.

The MAX4365ETA+T is an ideal device for any linear audio application. Its wide gain range and low noise figure make it suitable for applications ranging from audio mixing to frequency compressors and limiters. Additionally, the device provides protection features and a hermetic package, making it an excellent choice for a broad range of linear audio applications. It can be used in both digital and analogue signals, making it a versatile and cost-effective choice for audio applications.

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