寄存器0X25 bit[2:0]如果设置为100,那么输出就会有ramp。所以检查下这个寄存器的配置。
100 = Outputs digital ramp
In ADS4122/25, output data increments by one LSB (12-bit) every fourth clock cycle from code 0
to code 4095
用ADS4122吧,12bit, 65msps.系统显示有样品.部分老的可能没有样品需要购买.可以留下联系方式
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ADS4122 (ACTIVE)
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