Analog Switches | FSA8069

具有阻抗和湿度检测功能的音频插孔 IC

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FSA8069 音频插孔检测可切换 3.5 mm 或 2.5 mm 耳机。 FSA8069 具有阻抗检测和湿度传感，从而防止音频插孔中配件检测错误。 集成式 MIC 开关允许处理器配置所连接的附件。 LDO 配件中提供直流偏置麦克风和遥控钥匙电路。 FSA8069 具有七个耳机阻抗检测步骤，并支持根据负载种类配置放大器增益。 该架构的设计旨在允许常见的第三方耳机用于从手机、个人媒体播放器和便携式外围设备听音乐。

  • 检测：
  • 附件插孔
  • 发送/终止按键
  • 阻抗检测
  • 防止湿度造成检测错误
  • VDD: 3.0 V 至 4.5 V
  • VIO: 1.6V 至 VDD
  • THD (MIC): 0.01%（典型值）
  • 15 kV 空气间隙 ESD
  • 检测耳机阻抗的 7 个步骤
  • 集成了 MIC 偏置电路的 LDO
  • MIC 开关消除由 MIC 偏置引起音频插孔爆裂声和咔嚓声

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FSA8069UCX

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Pb

A

H

P

WLCSP-12

567RY

1

260

REEL

3000

N

1

1

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-

1.5

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4.5

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