Hi team,
Customer is tesing ADS131M02, they get several inquiries, could you help share comments?
1. When the ADS131M02 finishes conversion, the DRDY pin goes low, generating a falling edge and triggering an interrupt to read the ADC conversion result. However, in practice, the frequency of the falling edge generated by DRDY is much lower than the sampling rate (32K) setting. Is this due to register configuration?
Register settings:
CLOCK_ADDRESS: 0x0102
MODE_ADDRESS: 0x0511
CH0_CFG_ADDRESS: 0x00 (ADC conversion using channel 0)
OSR: 128 data rate: 32K
2. During ADS131M02 use, if you want to quickly start and stop ADC conversion, is this achieved through the OPCODE_STANDBY/OPCODE_WAKEUP command? Are there other methods? Approximately how long does it take to complete one ADC conversion using the OPCODE_WAKEUP command?
3. During a single conversion process, the ADS131M02 samples 128 points. Is the final output the average of these 128 points?
4. When does the ADS131M02 use Global-chop? Is it necessary to use Global-chop for filtering when the gain is not 1?
Regards,
Will
