Texas Instruments TPA3100D2 20-W Stereo Class-D Audio Power Amplifier User Manual and Specifications
Summary
Texas Instruments TPA3100D2 20W stereo Class-D audio power amplifier for driving bridged-tied speakers from 10V to 26V supply with 92 percent efficiency. Features differential inputs, four selectable gain settings, thermal/short-circuit protection with auto-recovery, and multi-device synchronization in 48-pin QFN/HTQFP packages. For audio engineers designing TV sound systems and multimedia speakers.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 40 |
| File Size | 1.40 MB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What supply voltage range does the TPA3100D2 operate from?
It operates from 10 V to 26 V supply voltage.
What are the selectable gain settings of this amplifier?
The gain selections are 20, 26, 32, and 36 dB.
How is the thermal pad handled for proper dissipation?
Solder it to a thermal land on the PCB to avoid thermal shutdown.
What is the minimum load resistance for this device?
The minimum load resistance is 3.2 Ω.