SDAA088 September   2025 AMC0100R , AMC0311R , AMC0311R-Q1 , AMC0330D , AMC0330R , AMC0330R-Q1 , AMC0330S , AMC0336

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Pairing Ratiometric Output Isolation Amplifier With ADC
    1. 2.1 Test Setup
    2. 2.2 REFIN Voltage Tracking
    3. 2.3 Ratiometric Configuration Noise Rejection
    4. 2.4 Spurious-Free Dynamic Range
    5. 2.5 Transient Response of REFIN to VOUT
    6. 2.6 Transfer Function of REFIN to VOUT
  6. 3Summary
  7. 4References

2.1 Test Setup

Figure 2-1 and Figure 2-2 show a test configuration used for measurements. An Arbitrary waveform generator (AWG) sources the reference voltage to allow for dynamically changing the reference voltage VREF.

Experimental Test SetupFigure 2-1 Experimental Test Setup
Test Configuration With AMC0330R and SAR ADC Used for Measurements Figure 2-2 Test Configuration With AMC0330R and SAR ADC Used for Measurements