Explore application examples for home theatre system and LCD/OLED TVs.
Next-Level Audio for TVs & Soundbars — RT9125 Stereo 30W Audio Amplifier
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Richtek’s
RT9125 is a 30W digital audio amplifier designed for LCD/OLED TVs, soundbars, and home theater systems. Combining premium audio performance with an inductor-less design, it offers perfect balance of sound quality, compactness, and power efficiency.
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✅ Low Power Consumption:Patented Common Mode Hopping (CMH) topology improves light-load efficiency up to 91% at typical listening levels (<5W).
✅ Flexible Control:Built-in DRC enables independent adjustment of left and right channels, ideal for stereo and multi-channel systems.
✅ High Efficiency:Delivers 2×30W into 8Ω BTL speaker loads with up to 94% efficiency; no external heatsink required.
✅ Clean Audio:Ultra-low 35μV output integrated noise ensures high-resolution sound.
✅ Simplified Design:768kHz switching frequency supports compact filtering; inductor-less operation below 15V reduces PCB space and component count.
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☛ Explore more about CMH topology and
RT9125-based soundbar and TV designs.
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Featured Products
* The following products are available at Digikey.
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Product Number |
Power |
Vn |
Package |
Buy |
RT9125 |
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30W x2 Stereo |
35μV |
VQFN6x6-48 |
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RT9125H |
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50W x2 Stereo |
35μV |
RLQFP10x10-64 |
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