Read data is 0XF4,0X53,0XFE, how to parse?
[edited by: ljln119 at 3:25 AM (GMT 0) on 14 Jan 2020]
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Looking at the timing diagram of Figure 3a, I think there could be something wrong with your communication with the ADC. The first two bits should always be zeros. Can you provide an oscilloscope photo…
When B0 is sent, the received data is hexadecimal 88,40, F0.Actual channel B0= 0.260v.When sending B1, the received data is hexadecimal E8,A7,FC, and the actual channel B1=2.495V.The Numbers don't match…
Looking at the timing diagram of Figure 3a, I think there could be something wrong with your communication with the ADC. The first two bits should always be zeros. Can you provide an oscilloscope photo showing CSL, SCK, SDI and SDO? A schematic of your circuit would also be helpful.
As can be seen from the table, the conversion time of LTC2488 is 145ms, which is also very slow. My design is used by LTC2488 and LTC6811 at the same time. It would be nice if the communication speed of LTC2488 is the same as that of LTC6811, thank you!
How to obtain the BUSY signal of LTC2448?After the signal needs to be isolated, it is sent to the MCU for collection. The BUSY signal is directly connected to the input negative end of the optocoupler and absorbs the current, ok?
Waiting for your reply, thank you!