ADS901E datasheet by Texas Instruments

ADS901E Frequently Asked Questions (FAQs)

• What is the recommended layout and placement for the ADS901E?
  Texas Instruments recommends a 4-layer PCB with a solid ground plane, and placing the ADS901E close to the analog signal source to minimize noise. Additionally, decoupling capacitors should be placed as close as possible to the device's power pins.
• How do I optimize the ADS901E's performance for my specific application?
  Optimization depends on the specific application, but general tips include selecting the correct gain setting, using a suitable reference voltage, and ensuring proper filtering and decoupling. TI also provides an evaluation module and software tools to help with optimization.
• What is the maximum sampling rate I can achieve with the ADS901E?
  The ADS901E can sample at up to 1 MSPS, but the actual achievable sampling rate depends on the system's clock frequency, conversion mode, and other factors. Consult the datasheet and application notes for more information.
• How do I handle the ADS901E's digital output data?
  The ADS901E outputs 12-bit data in a serial format. Engineers should ensure proper synchronization with the clock signal, and consider using a FIFO or buffer to handle the data stream. TI provides example code and software tools to help with data handling.
• What is the power consumption of the ADS901E, and how can I reduce it?
  The ADS901E's power consumption varies depending on the operating mode and clock frequency. To reduce power consumption, consider using the device's power-down mode, reducing the clock frequency, or using a lower supply voltage. Consult the datasheet for more information.