3.9 Electrical Characteristics - ADC
A clarification has been made for ADC Specifications in the ADC Accuracy Specifications table.
Table 37-23. ADC Accuracy Specifications
Operating Conditions:
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Symbol | Description | Min. | Typ. ✝ | Max. | Unit | Conditions |
NR | Resolution | — | — | 12 | bit | |
EINL | Integral nonlinearity error | -1 | 0.1 | 1 | LSb | VDD = VREF = 3.0V |
EDNL | Differential nonlinearity error(1) | -1 | 0.1 | 1 | LSb | VDD = VREF = 3.0V |
EOFF | Offset error | 1.3 | 3 | 5 | LSb | VDD = VREF = 3.0V |
EGAIN | Gain error | -5 | 1.5 | 5 | LSb | VDD = VREF = 3.0V |
EABS | Absolute error | — | — | — | LSb | VDD = VREF = 3.0V |
VADCREF | ADC reference voltage | 1.8 | — | VDD | V | |
VAIN | Full-scale range | GND | — | VADCREF | V | |
ZAIN | Recommended impedance of analog voltage source | — | 1 | — | kΩ | |
RVREFA | ADC voltage reference ladder impedance(2) | — | 50 | — | kΩ | |
✝ Data in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are for design guidance only and are not tested. Note:
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