TPA3121D2 - Texas Instruments

TPA3121D2 15-W STEREO CLASS-D AUDIO POWER AMPLIFIER

The TPA3121D2 is a 15-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 TPA3121D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3121D2 eliminates the need for an external heat sink when playing music. The gain of .

Features

1
•23 10-W/Ch Stereo Into an 8-Ω Load From a 24-V Supply
• 15-W/Ch Stereo Into a 4-Ω Load from a 22-V Supply
• 30-W/Ch Mono Into an 8-Ω Load from a 22-V Supply
• Operates From 10 V to 26 V
• Can Run From +24 V LCD Backlight Supply
• Efficient Class-D Operation Eliminates Need for Heat Sinks
• Four Selectable, Fixed-Gain Settings
• Internal Oscillator to Set Class D Frequency (No External Components Required)
• Single-Ended Analog Inputs
• Thermal and Short-Circuit Protection With Auto Recovery
• Space-Saving Surface Mount 24-Pin TSSOP Package
• Advanced Power-Off Pop Reduction APPLICATIONS
• .