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具有最高45W输出的汽车音响用4通道高效线性功率放大器：TCB702FNG
东芝电子元件及存储装置株式会社宣布其4通道高效线性功率放大器新增一款“TCB702FNG”，这满足了当前市场对于高效率产品的需求。
凭借“TCB702FNG”，东芝在技术上进行了改进，实现了在实际工作范围（0.5至4W）内与D级放大器数字化高效率相当的工作效率。对于典型的AB级放大器来说，功耗最多可降低80%。新IC的最大输出功率为45W，IC引脚与“TCB701FNG”兼容，该公司的高效线性功率放大器的最大输出功率为50W。
新的放大器还包括一个带有I2C总线控制的自诊断功能，可以通过改变增益或时间常数的检测设置来诊断错误并有助于实现合适的设备设计。它还包括对输出直流偏移电压的专用误差检测，可以快速检测出异常输出偏移电压，防止扬声器烧坏，提高设备可靠性。
- 最大输出：45W×4通道（Vcc＝15.2V，RL＝4Ω，最大功率）
- 输出噪声电压：60μVrms（BW＝DIN_AUDIO）
- 电源电压：6V至18V
- 封装：P-HSSOP36-1116-0.65-001
功能和特点
- 6V运行
- 输出直流偏置电压检测（全时性）
- I2C总线控制诊断错误连接，比如交叉输出连接。
- 可以从两个或多个设置中选择各种检测，比如增益、静音时间常数和温度
- 可同时用作功率放大器和线路输出放大器。
- 各种内置保护电路（输出交叉连接、短路、过电压和低电压）
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