The ADS1281IPWR requires careful layout and placement to minimize noise and ensure optimal performance. TI recommends placing the device close to the analog signal sources, using a solid ground plane, and keeping the analog and digital traces separate. Additionally, the device should be placed away from high-frequency sources and switching regulators.
To optimize the ADS1281IPWR's performance, consider the following: choose the correct gain setting, adjust the sampling rate, and select the appropriate input range. Additionally, ensure proper filtering, shielding, and grounding to minimize noise and interference. TI also provides application notes and evaluation modules to help optimize performance.
The ADS1281IPWR's internal reference voltage has a limited current drive capability, which can affect the accuracy of the ADC conversion. It's recommended to use an external reference voltage if high accuracy is required or if the internal reference is overloaded. Additionally, the internal reference voltage can be affected by temperature and power supply variations.
The ADS1281IPWR's digital output data is available in a 24-bit twos-complement format. To handle the data, ensure that your microcontroller or digital system can accommodate the 24-bit data width and twos-complement format. You may need to perform data formatting and scaling to match your system's requirements.
The ADS1281IPWR is sensitive to temperature variations, which can affect its performance and accuracy. Ensure proper thermal management by providing adequate heat sinking, avoiding high-temperature environments, and minimizing power dissipation. TI provides thermal resistance data to help with thermal design.
ADS1281IPWR datasheet
by Texas Instruments
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