PCF8593T/1,112 datasheet by NXP Semiconductors

PCF8593T/1,112 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the analog-to-digital converter (ADC) in the PCF8593T/1,112?
  The maximum frequency of the ADC in the PCF8593T/1,112 is 200 kHz.
• How do I configure the PCF8593T/1,112 to use an external voltage reference?
  To use an external voltage reference, connect the external reference voltage to the VREF pin and set the VREF bit in the control register to '1'.
• What is the purpose of the EOC (End of Conversion) pin in the PCF8593T/1,112?
  The EOC pin is an output pin that goes low when the ADC conversion is complete, indicating that the conversion result is available in the data register.
• Can I use the PCF8593T/1,112 as a digital-to-analog converter (DAC)?
  Yes, the PCF8593T/1,112 can be used as a DAC by writing the desired digital value to the data register and using the internal voltage reference or an external voltage reference.
• How do I calibrate the PCF8593T/1,112 to improve its accuracy?
  The PCF8593T/1,112 has a built-in calibration feature that can be used to improve its accuracy. Refer to the datasheet for the calibration procedure.