TPA3120D2PWPRG4

25 -W立体声D类音频功率放大器器 25-W STEREO CLASS-D AUDIO POWER AMPLIFIER

DESCRIPON

The TPA3120D2 is a 25-W per channel efficient, Class-D audio power amplifier for driving stereo speakers in a single-ended configuration or a mono bridge-tied speaker. The TPA3120D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3120D2 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.

FEATURES

• 25-W/ch into a 4-Ω Load from a 27-V Supply

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

• Operates from 10 V to 30 V

• Efficient Class-D Operation Eliminates Need for Heat Sinks

• Four Selectable, Fixed Gain Settings

• Internal Oscillator No External Components Required

• Single Ended Analog Inputs

• Thermal and Short-Circuit Protection with Auto Recovery

• Space-Saving Surface Mount 24-pin TSSOP Package

APPLICATIONS

• Televisions