80-mW 无需耦合电容器 立体声耳机放大器 BD88400FJ

BD88400FJ是无需输出耦合电容器的耳机放大器。本IC内置有稳压电荷泵型负电源发生电路,可从电源电压直接生成稳定的-2.4V负电压。通过采用+2.4V的正电压与该负电压的两种电压来驱动耳机放大器,以ground level为基准进行输出。因此,无需大容量的输出耦合电容器,可直接连接耳机。由此,可降低成本,缩减电路板面积,降低部件的高度。此外,没有因输出耦合电容器与输出负载阻抗引起的低音区域的信号衰减,可输出丰富的低音。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BD88400FJ-GE2供应中SOP-J1425002500TapingYes

BD88400FJ 数据手册 Data Sheet

技术特性
Vcc(Min.)[V]2.4
Vcc(Max.)[V]5.5
Ext. GainYes
Headphone Output TypeGround-Centered
Headphone THD+N[%]0.0060
Headphone PSRR[dB]-80.0
Headphone Input TypeSingle
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
技术资料下载
产品特点
  • No Bulky DC-Blocking Capacitors Required
  • No Degradation of Low-Frequency Response Due to Output Capacitors
  • Ground-Referenced Outputs
  • Gain setting: Variable Gain with External Resistors
  • Low THD+N
  • Low Supply Current
  • Integrated Negative Power Supply
  • Integrated Short-Circuit and Thermal-Overload Protection
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