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The RT9107B is a high efficiency, I<sup>2</sup>S-input, stereo or 2.1-channel audio power amplifier delivering 2x18W into 8Ω BTL speaker loads. It can deliver over 90% power efficiency and eliminate the need for heat sink. The built-in anti-pop function can reduce the speaker's pop noise under all kind of scenarios. Built-in protections include over temperature, over current, over voltage, and under voltage protections and report error status. </p>The RT9107B is an I<sup>2</sup>S slave-only device receiving all clocks from external sources. It can support a wide input sampling rate from 8kHz to 96kHz, and operate with a PWM switching frequency of 352kHz or 384kHz, depending on the input sampling rate. A fully programmable data path routes these channels to the internal speaker drivers. </p>The RT9107B features dual-band DRC and flexible multi-band biquads for anti-clipping, power limiting, and speaker equalization. Programmable signal path routing enables Rich-surround effect and Rich-bass enhancement implementation.</p>
RT9107B Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Wide Supply Voltage Range : 8V to 26V </li><li>2x18W at 10% THD+N into 8Ω BTL at 18V </li><li>2x8W at 10% THD+N into 8Ω BTL at 12V </li><li>Support Stereo or 2.1-Channels </li><li>Sampling Frequency from 8kHz to 96kHz </li><li>Built-in anti-pop Function for BTL AD/BD Modulations, SE Output Configuration </li><li>>20 Programmable Biquads for Speaker Equalization </li><li>Programmable Coefficients for DRC Filters, Supporting Multi-compression Ratios </li><li>Built-in DC Blocking Filters </li><li>Protection Features : UVLO, OVP, OCP and OTP </li><li>TQFP-48L (Exposed Pad) Thermal-Enhanced Package </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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RT9107B Ordering Information
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<div class="spec-list"><ul class="lv1"><li>LCD-TV </li><li>Monitors </li><li>Home Audio </li><li>Amusement Equipment </li><li>Electronic Music Equipment </li></ul></div>
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