Other Parts Discussed in Thread: DAC81416
应用DAC81416EVM做方波输出,方波频率在200HZ~500HZ,电压幅值在±20V,不带负载时,DAC81416表面温度用手触摸发热,估计有50℃以上。
是正常的吗?
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应用DAC81416EVM做方波输出,方波频率在200HZ~500HZ,电压幅值在±20V,不带负载时,DAC81416表面温度用手触摸发热,估计有50℃以上。
是正常的吗?
您好,
请测一下不带负载时,供电的电流大概是多少?可对比数据手册16页的曲线。
您好,
数据手册16页的测试曲线,±20V输出空载情况下,供电电流不超过±10mA
通过芯片的耗散功率(10 Power Supply Recommendations)和热阻(7.4 Thermal Information)可计算出芯片温度,请参考下面链接中文档。
Semiconductor and IC Package Thermal Metrics (Rev. D) (ti.com)