ADS7888SDBVR datasheet by Texas Instruments

ADS7888SDBVR Frequently Asked Questions (FAQs)

• What is the recommended layout and routing for the ADS7888SDBVR?
  The recommended layout and routing for the ADS7888SDBVR involves keeping the analog and digital traces separate, using a solid ground plane, and minimizing the length of the analog input traces. It's also recommended to use a 4-layer PCB with a dedicated analog ground plane.
• How do I optimize the performance of the ADS7888SDBVR in noisy environments?
  To optimize the performance of the ADS7888SDBVR in noisy environments, use a low-pass filter at the input, use a shielded cable for the analog input, and consider using a common-mode filter. Additionally, ensure that the analog and digital grounds are connected at a single point.
• What is the maximum sampling rate of the ADS7888SDBVR?
  The maximum sampling rate of the ADS7888SDBVR is 1 MSPS (mega samples per second). However, the actual sampling rate may vary depending on the system clock frequency and the conversion mode.
• How do I calibrate the ADS7888SDBVR?
  The ADS7888SDBVR does not require calibration. It has an internal calibration circuit that performs a self-calibration sequence during power-up. However, if you need to perform an external calibration, you can use an external voltage reference and adjust the gain and offset registers accordingly.
• What is the power consumption of the ADS7888SDBVR?
  The power consumption of the ADS7888SDBVR depends on the operating mode and the sampling rate. In normal operation, the typical power consumption is around 15 mW at 1 MSPS. In power-down mode, the typical power consumption is around 10 μW.