TPA3121D2 Description
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.
TPA3121D2 Key Features
- 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
- Four Selectable, Fixed-Gain Settings
- Internal Oscillator to Set Class D Frequency
- Single-Ended Analog Inputs
- Space-Saving Surface Mount 24-Pin TSSOP