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[参考译文] ADS1675:ADS1675:2MSPS

Guru**** 1812430 points
Other Parts Discussed in Thread: ADS1675
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https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/1175020/ads1675-ads1675-2msps

器件型号:ADS1675

您好的支持团队、

如果我错了、请纠正我的问题、但使用 ADS1675实现2MSPS 的唯一方法是使用以下设置:

Fclk = 16MHz

DRATE = 101 => Fclk/8 = 2MSPS

DRDY 时序= 1/2MSPS = 0.5us

而 Fsclk = 16MHz x 3 = 48MHz、这为我提供了一 个针对一个数据的带有一个 SCLK 脉冲的正确48Mbit/s (2x24位、因此2MSPS)

如果我保持 Fclk = 32MHz

DRATE = 100 => Fclk/16 = 2MSPS

DRDY 翻转保持0.5us

但 Fsclk = 32MHz x 3 = 96MHz …… 这意味着一位数据将有2个时钟脉冲?

谢谢

Andrea