The TPA3124D2 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 TPA3124D2 can drive stereo speakers as low as 4 
. The efficiency of the TPA3124D2 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, and 36 dB.
The patented start-up and shutdown sequences minimize pop noise in the speakers without additional circuitry.
DLP Is a trademark of Texas Instruments.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.
| Audio input type | Analog Input |
| Architecture | Class-D |
| Speaker channels (max) | Stereo |
| Rating | Catalog |
| Power stage supply (max) (V) | 26 |
| Power stage supply (min) (V) | 10 |
| Load (min) (Ω) | 4 |
| Output power (W) | 15 |
| SNR (dB) | 92 |
| THD + N at 1 kHz (%) | 0.04 |
| Iq (typ) (mA) | 16 |
| Control interface | Hardware |
| Closed/open loop | Closed |
| Analog supply (min) (V) | 10 |
| Analog supply voltage (max) (V) | 26 |
| PSRR (dB) | 60 |
| Operating temperature range (°C) | -40 to 85 |
| HTSSOP (PWP) | 24 | 49.92 mm² 7.8 x 6.4 |
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