MAX4090EXT+

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The MAX4090EXT+ is a high precision, low power, rail-to-rail microphone preamplifier designed to maximize the dynamic range of ultra-low power systems. It operates from a single supply of 2.7 to 5.5V and is internally protected against power supply transients, reverse polarity, and short circuit protection. It features low noise (typically 8.5nV/√Hz) and high-gain linearity up to 20dB, making it ideal for a variety of applications such as audio, industrial, home theatre, etc.The MAX4090EXT+ has a low-noise input stage and is designed to maximize dynamic range and low-level linearity while minimizing associated noise. Its output stage, optimized for low distortion, provides a rail to rail output with minimum differential gain and phase errors. This allows it to be used as a low-noise microphone preamplifier for audio-to-digital converters (ADCs), microphone jack circuits, and headphone drivers.

The MAX4090EXT+ is suitable for a wide range of applications in the area of linear amplification. It has excellent noise-performance and limited distortion, making it suitable for a variety of video amplification applications including head phone amplifiers, microphone jack circuits, security cameras, and home theatre systems.

The MAX4090EXT+ features high-gain linearity, low-noise performance, low-distortion, and high-speed definition. It is designed to operate with low power consumption and can easily be integrated into existing systems. The MAX4090EXT+ is housed in a small 7mm x 5mm CSP package and is pin and footprint compatible with other Maxim Integrated products. It also offers a low-power shut-down mode allowing it to be connected to a power supply through a single pin which reduces power consumption while maintaining excellent performance. It is fully ESD protected, making it suitable for industrial, automotive, and professional audio applications.

The MAX4090EXT+ has dual operational amplifiers which allow it to operate as both a non-inverting and an inverting amplifier with a gain of up to 20 dB. The inverting and non-inverting inputs can each be used for amplifying different signals. The MAX4090EXT+ can operate as either an inverting or non-inverting amplifier depending on the configuration of the pins.For low-noise applications, the MAX4090EXT+ offers a 20dB gain with very low noise (8.5nV/√Hz). The MAX4090EXT+ comes with preset gains and adjustable gains.The outputs can be configured to provide either a differential output or a single-ended output. The differential output is designed to minimize the offset voltage and allow for improved rejection of common-mode noise. The single ended output is designed to allow the user to adjust the output offset voltage.

The MAX4090EXT+ is designed to work in a wide range of applications including audio, video, industrial and home theatre systems. It provides high-gain linearity and low-noise performance. It uses low power compared to traditional solutions and is pin and footprint compatible with other Maxim Integrated devices. Finally, it offers a low-power shut-down mode, making it suitable for a variety of applications.

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