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 |
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BD88400FJ-GE2 | 供应中 | SOP-J14 | 2500 | 2500 | Taping | Yes |
BD88400FJ 数据手册 Data Sheet
技术特性Vcc(Min.)[V] | 2.4 | Vcc(Max.)[V] | 5.5 | Ext. Gain | Yes | Headphone Output Type | Ground-Centered | Headphone THD+N[%] | 0.0060 | Headphone PSRR[dB] | -80.0 | Headphone Input Type | Single | 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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