The ADS1211E/1K requires careful layout and placement to minimize noise and ensure accurate conversions. TI recommends placing the device close to the analog signal source, using a solid ground plane, and keeping analog and digital traces separate. Additionally, decoupling capacitors should be placed close to the device's power pins.
To optimize the ADS1211E/1K's performance, consider the following: choose the correct gain setting, adjust the sampling rate, and select the appropriate input range. Additionally, ensure proper filtering and shielding to minimize noise, and consider using a dedicated analog power supply.
The ADS1211E/1K requires a one-time calibration procedure to ensure accurate conversions. This involves applying a known input voltage and adjusting the device's internal calibration registers. TI provides a calibration procedure in the device's datasheet and application notes.
The ADS1211E/1K provides error flags and interrupt signals to indicate errors or exceptions during conversions. Engineers should implement error handling routines to detect and respond to these flags, such as retrying conversions or alerting the system to potential issues.
The ADS1211E/1K is sensitive to temperature changes, which can affect its accuracy and performance. Ensure proper thermal management by providing adequate heat sinking, avoiding thermal gradients, and keeping the device within its recommended operating temperature range.
ADS1211E/1K datasheet
by Texas Instruments
