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The RT9120S is a high efficiency, I2S-input, stereo channel audio power amplifier delivering maximum 2x30W into 8Ω BTL speaker loads. It can deliver over 94% power efficiency at 2x10W and eliminate the need for heatsink.

The built-in anti-pop functions can reduce the speaker′s pop noise under all kind of scenarios. Built-in protection circuits can provide over-temperature, overcurrent, overvoltage, undervoltage protections and report error status.

The RT9120S is a 3-wired device receiving all clocks from external sources with standard I2S, Left-justified, Right-justified or TDM formats. It can support wide input sampling rate from 8kHz to 192kHz.

The RT9120S features one band DRC and flexible input mixer, and power clipping.

Applications

  • LCD-TV
  • Monitors
  • Home Audio
  • Amusement Equipment
  • Electronic Music Equipment
Technical Documents
TitleItem TypeLast UpdateDownload
Richtek Product Selection Guide [Jan., 2025] Selection Guide2025/01/13
Part NumberPackage TypePackage Qty.DistributorStockBuy From Authorized Distributor
RT9120SGQVVQFN5x5-321,500 Digikey 1,559 Buy
0 Lead-Time: 14 weeks
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9120SGQV Digikey 3 Buy
Mouser 0 Lead-Time: 14 weeks
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