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RT5510是帶有升壓能力的BTL連接D類音訊放大器,同時兼具輸出電壓、電流監測能力。其內置Boost轉換器工作於G類模式,可根據需要分級提升電壓以滿足D類放大器功率輸出的需要。其數位式的音訊介面支援以I2S、左對齊、右對齊、TDM和DSP A/B等格式輸入音訊資訊、輸出電壓、電流等晶片內部的資料資訊,那些需要輸出的資訊可通過適當的寄存器設定進行選擇,監測者通過接收DATAO端的輸出資料即可實現所需監測。
D類音訊功放►4.8W輸出功率@9.5V、8Ω負載、THD < 1%►6.5W輸出功率@9.5V、4Ω負載、THD < 1%►0/3/6/9/12/15/18dB增益選擇►20μV輸出雜訊►使用DRE可降低輸出雜訊
Boost轉換器►自我調整式Boost轉換器►自動選定預設輸出電壓,最高限制9.5V►精確限制輸入電流►類比部分:電流檢測,斜率補償,回饋ADC►數位部分:電壓環和升壓模式的終點預測
數位介面►數位式音訊介面,支援I2S、左對齊、右對齊、TDM和DSP A/B格式►靈活易用的中斷控制器►有電池衛士之稱的削頂控制防止電池電壓太低時吸入大電流►看門狗監視應用進程狀態,可適時關閉系統►音量控制
符合RoHS規範,不含鹵素
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