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XTR300: 参考TIPD155设计电路,给定一阶跃信号,XTR300输出变化较慢,正负10V变化要400us,怎么回事

Part Number: XTR300
Other Parts Discussed in Thread: DAC8563, , TIPD155

我参照TIPD155设计一DAC输出电路,用DAC8563控制XTR300输出正负10V信号,现发现信号从-10V到+10V要大概400us左右,时间较长,大概要400请问能帮忙看看什么问题吗?附我的电路图和波形

  • 您好,

    看电路图和参照TIPD155设计一样。测试时接的负载是什么?datasheet 给出了如下条件下的step 响应曲线,从-10V到+10V要大概200us左右,您可以尝试测试在此条件下的响应曲线吗?与此曲线对比一下: