TPA3123D2PWPR Class D Amp 15W Stereo 92% Efficiency 8-26V Wide Input Thermal Protection Low THD+N Pop-Free Start Compact TSSOP-28 EMI Reduced Hi-Fi Audio

TPA3123D2PWPR Class D Amp 15W Stereo 92% Efficiency 8-26V Wide Input Thermal

Protection Low THD+N Pop-Free Start Compact TSSOP-28 EMI Reduced Hi-Fi Audio

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FEATURES

andbull; 25-W/ch into a 4-Ω Load from a 27-V Supply 2

andbull; 20-W/ch into a 4-Ω Load from a 24-V Supply

andbull; Operates from 10 V to 30 V

andbull; Efficient Class-D Operation Eliminates Need for Heat Sinks

andbull; Four Selectable, Fixed-Gain Settings

andbull; Internal Oscillator (No External Components Required)

andbull; Single-Ended Analog Inputs

andbull; Thermal and Short-Circuit Protection With Auto Recovery

andbull; Space-Saving Surface-Mount 24-Pin TSSOP Package

andbull; Pin-to-Pin compatible with TPA3120D2

andbull; Advanced Power-Off Pop Reduction

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APPLICATIONS

andbull; Televisions

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DESCRIPTION

The TPA3123D2 is a 25-W (per channel) efficient, Class-D audio power amplifier for driving stereo speakers in a single-ended configuration or a mono speaker in a bridge-tied-load configuration. The TPA3123D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3123D2 eliminates the need for an external heat sink when playing music.

The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, 36 dB.

The patented start-up and shut-down sequences minimize pop noise in the speakers without additional circuitry.

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INFORMATION

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