MAX9723DETE+

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The MAX9723DETE+ is a highly integrated audio power amplifier solution that combines a low noise preamplifier, a ground centered low pass filter, a differential output amplifier, and a headphone amplifier in a single package. With its superior power efficiency, external components are able to be minimized, allowing for cost-efficient designs. It utilizes direct drive technology, which allows for three to be connected in series, greatly improving the current density of the solution.

The MAX9723DETE+ is an ideal choice for applications such as smartphone handsets, tablet computers, portable media players, and other audio devices. It features a wide input voltage range, up to 28.5V, and is able to drive up to two speakers with a single device. With its Class D architecture, the MAX9723DETE+ delivers higher efficiency, lower distortion and improved immunity to RF noise.

The MAX9723DETE+ is designed to provide superior audio performance with low distortion, low noise and wide dynamic range, enabling the best sound quality for the most demanding audio applications. As an example for high performance, the MAX9723DETE+ features a 0.2 Ω differential output amplifier with a 1Ω total resistance and –3dBFS at 50mW output power. It also offers a ground centered low pass filter with a flat response up to 20kHz, and a wide power supply tracking range up to 28.5V.

The MAX9723DETE+ includes integrated functions such as input offset voltage correction, pop & click suppression, and short circuit protection. Its ground centered low pass filter eliminates the need for additional external components, such as inductors and capacitors, reducing component count and additional cost.

The MAX9723DETE+ also features differential output architecture, which eliminates the requirement for a balance/unbalance circuit. Furthermore, its patented DirectDrive is able to reduce the series connection of three devices and reduce the total power consumption. Finally, it offers a high output power rating up to 77dBm, along with low on-chip offsets and a wide dynamic range.

The MAX9723DETE+ is a highly integrated audio power amplifier with superior performance, low power consumption, low noise, and wide input voltage range up to 28.5V. It is ideal for high performance audio applications due to its low distortion, wide power supply tracking range, and ground centered low pass filter. Due to its patented DirectDrive technology, it requires minimal external components and offers superior power efficiency.

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