MAX9723BETE+T

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The MAX9723BETE+T is a high-performance audio power amplifier from Maxim integrated products that falls in the Linear - Amplifiers - Audio category. It is designed to efficiently deliver up to 15 watts single-ended or 30 watts of power when driven in a bridged mode into an 8 ohm BTL (Bridge-Tied Load) speaker system. The MAX9723BETE+T, which uses a novel advanced architecture, is designed to reduce heat dissipation and power consumption, while providing superior audio performance. This audio power amplifier has advanced features such as low distortion and crosstalk, and it also has a wide temperature range, from –40°C to +85°C.

The MAX9723BETE+T audio amplifier is suitable for a variety of general-purpose applications such as portable audio applications and television sound systems. Its 2.7V to 5.5V supply voltage range makes it ideal for single-cell Lithium Ion (Li-ion) and alkaline battery applications. It is also compliant with the Environmental Protection Agency’s (EPA’s) Energy Star standard for efficiency, allowing manufacturers to meet the most stringent energy efficiency standards.

The MAX9723BETE+T audio power amplifier is able to deliver full power to an 8 ohm BTL speaker system without the need for external components. It incorporates a proprietary advanced architecture and a power supply rejection ratio (PSRR) of –80dB, resulting in a Class D amplifier with less than 0.3% distortion. The amplifier also utilizes a failsafe power and thermal management scheme, a watchdog timer, and shutdown detection, providing high reliability and safety.

The MAX9723BETE+T is designed to use an external power supply, allowing the user to select the optimum voltage for their specific application. A soft gain trimming feature allows for the adjustment of the signal’s gain level, allowing for a range of intra-channel signal-to-noise ratios to be used. The power amplifier also includes adjustable output mute, allowing the user to mute the output in order to eliminate clicks when powering down the amplifier or changing power modes.

The MAX9723BETE+T audio amplifier operates as a voltage mode amplifier, meaning that its output voltage is dependent on the supply voltage and the input signal. Its operating principle allows it to amplify its input signal to a greater degree than traditional amplifiers. The amplifier utilizes a proprietary amplifying algorithm to deliver up to 15 watts single-ended or 30 watts of power when driven in a bridged mode into an 8 ohm BTL speaker system.

The MAX9723BETE+T audio amplifier is a versatile device capable of providing audio power amplification in a variety of applications. Its low power consumption and wide operating temperature range make it ideal for portable audio applications and television sound systems, while its wide supply voltage range and failsafe power and thermal management scheme allow for high reliability and safety. The amplifier’s proprietary amplifying algorithm and low distortion also make it a superior choice for audio applications requiring a high degree of fidelity.

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