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The RT9125H is a high-efficiency, I<sup>2</sup>S-input, stereo channel audio power amplifier delivering 2x50W into 4Ω BTL (Bridge Tied Load) speaker loads. It can deliver over 94% power efficiency and eliminate the need for heat-sink.Built-in protection circuits provide over-temperature, overcurrent, overvoltage, DC, and undervoltage protections and report error status.The RT9125H is an I<sup>2</sup>S device receiving all clocks from external sources. A fully programmable data path routes these channels to the internal speaker drivers.The RT9125H features three band DRC (Dynamic Range Compression) and flexible multi-band biquads for anti-clipping, power limiting, and speaker equalization.The recommended junction temperature range is -40°C to 150°C, and the ambient temperature range is -40°C to 85°C
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<li class="mv5"> Flexible Power Supply Range<br /> - PVDD from 4.5V to 26.4V<br /> - DVDD and I/O: 1.8V or 3.3V<br /> </li><li class="mv5"> Support Wide Range Audio Format<br /> - Bit Resolution up to 32 Bits<br /> - Support TDM (Time-Division Multiplexing) up to 32 Bits<br /> - Sampling Frequency from 8kHz to 96kHz<br /> </li><li class="mv5"> Excellent Audio Performance<br /> - 1x100W PBTL Mode at 2Ω at 23V, THD+N = 1%<br /> - 2x50W BTL Mode at 4Ω at 23V, THD+N = 1%<br /> - SNR ≥ 110dB<br /> - Efficiency ≥ 94%<br /> </li><li class="mv5"> Built-In Programmable DSP (Digital Signal Processor) Function<br /> - 36 Programmable Biquads for Speaker Equalization<br /> - Programmable Coefficients for DRC Filters and Supporting Multi-Compression Ratios<br /> - Programmable 128-Tap FIR<br /> </li><li class="mv5"> Excellent Self-Protection<br /> - UVLO, OVP, OCP, Thermal Foldback, OTP and DCP<br /> - Built-In DC Blocking Filters<br /> </li><li class="mv5"> Filter-Less Application<br /> </li><li class="mv5"> 64 Pin LQFP Package with the Exposed Thermal Pad</li>
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<li class="mv5"> Bluetooth and WiFi Speakers<br /> </li><li class="mv5"> Subwoofers<br /> </li><li class="mv5"> Bookshelf Stereo Systems<br /> </li><li class="mv5"> Professional And Public Address (PA) Speakers<br /> </li><li class="mv5"> Active Crossover and Two-Way Speakers</li>
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