ADC128S022CIMT datasheet by Texas Instruments

ADC128S022CIMT Frequently Asked Questions (FAQs)

• What is the recommended input impedance for the ADC128S022CIMT?
  The recommended input impedance is 1 kΩ to 10 kΩ to ensure proper operation and minimize signal attenuation.
• How do I handle the ADC's clock signal? Is it internally generated or do I need to provide an external clock?
  The ADC128S022CIMT requires an external clock signal, which can be provided through the CLKIN pin. The recommended clock frequency is between 1 MHz and 50 MHz.
• What is the purpose of the REFBUF pin, and how do I use it?
  The REFBUF pin is an output pin that provides a buffered reference voltage (VREF) for external circuitry. It can be used to provide a stable reference voltage for other components in the system.
• How do I configure the ADC's conversion mode? Can I switch between single-ended and differential modes?
  The ADC128S022CIMT can operate in either single-ended or differential mode, which is configured through the MODE pin. A logic high on the MODE pin selects single-ended mode, while a logic low selects differential mode.
• What is the maximum throughput of the ADC, and how do I optimize it?
  The maximum throughput of the ADC128S022CIMT is 500 kSPS. To optimize throughput, ensure that the clock frequency is set to the maximum recommended value (50 MHz), and use the fastest available conversion mode (single-ended mode).