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首頁 >> 産品 >>音響類 >>音頻功效 >> 低电平关机模式的140mW 耳机功放电路 AiP4809

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低电平关机模式的140mW 耳机功放电路 AiP4809

産品型号：: AiP4809

産品名称：: 低电平关机模式的140mW 耳机功放电路

封裝形式：: MSOP8

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AiP4809是一款雙通道音頻功率放大器，電源電壓爲5V時，在保證THD+N等于0.1%的條件下可向16Ω負載提供每通道140mW的輸出功率。該款專用的音頻功率放大器用較少的外圍器件並提供高質量輸出。因AiP4809不需要自舉電容或緩沖網絡，它特別適用于低功耗便攜式系統。AiP4809的增益可通過外部電阻來設置。它有一個外部可控的、低電平工作、低功耗的關機模式，同時內部有過熱保護功能。

● 5V供电时，THD+N为0.1%（f=1kHz），可向16Ω负载提供每通道140mW的输出功率
● 3.3V供电时，THD+N为0.1%（f=1kHz），可向32Ω负载提供每通道80mW的输出功率
● 低关断电流，关断电流为0.4uA
● 低电平有效关断模式
● 集成“咔嗒/噼噗”声抑制电路
● 增益可调
● 封裝形式：MSOP8/SOP8

便攜式系統、耳機放大器，麥克風前置放大器、筆記本電腦、手機、掌上電腦、GPS

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