Symbol | Parameters | Conditions | Measurements | Unit | |||
---|---|---|---|---|---|---|---|

Min. | Typ. | Max. | |||||

ENOB | Effective Number of bits | Fadc = 1Msps | Vref = 2.0V Vddana = 3.0V | 9.1 | 10.2 | 10.8 | bits |

Vref = 1.0V Vddana = 1.62V to 3.6V | 9.0 | 10.1 | 10.6 | ||||

Vref = Vddana = 1.62V to 3.6V | 8.9 | 9.9 | 11.0 | ||||

Bandgap Reference, Vddana = 1.62V to 3.6V | 9.0 | 9.8 | 10.6 | ||||

TUE | Total Unadjusted Error | without offset and gain compensation | Vref = Vddana = 1.62V to 3.6V | - | 7 | 32 | LSB |

INL | Integral Non Linearity | without offset and gain compensation | Vref = Vddana = 1.62V to 3.6V | - | +/-1.9 | +/-4.8 | |

DNL | Differential Non Linearity | without offset and gain compensation | Vref = Vddana = 1.62V to 3.6V | - | +0.94/-1 | +1.85/-1 | |

Gain | Gain Error | without gain compensation | Vref = 1V Vddana = 1.62V to 3.6V | - | +/-0.38 | +/-1.9 | % |

Vref = 3V Vddana = 1.62V to 3.6V | - | +/-0.14 | +/-0.9 | ||||

Bandgap Reference | - | +/-0.64 | +/-5.4 | ||||

Vref = Vddana = 1.62V to 3.6V | - | +/-0.15 | +/-0.9 | ||||

Offset | Offset Error | without offset compensation | Vref = 1V Vddana = 1.62V to 3.6V | - | +/-0.13 | +/-15.8 | mV |

Vref = 3V Vddana = 1.62V to 3.6V | - | +/-1.82 | +/-14.9 | ||||

Bandgap Reference | - | +/-2.07 | +/-15.8 | ||||

Vref = Vddana = 1.62V to 3.6V | - | +/-1.82 | +/-15.3 | ||||

SFDR | Spurious Free Dynamic Range | Fs = 1MHz/Fin = 13 kHz/Full range Input signal | Vref = 2.0V Vddana = 3.0V | 58.1 | 70.5 | 77.5 | dB |

SINAD | Signal to Noise and Distortion ratio | 56.7 | 63.4 | 66.5 | |||

SNR | Signal to Noise ratio | 56.5 | 64.4 | 67.1 | |||

THD | Total Harmonic Distortion | -74.7 | -68.7 | -57.7 | |||

Noise RMS | External Reference voltage | External Reference voltage | - | 0.42 | - | mV |

Notes:

- 1.These values are given without any ADC oversampling and decimation features enabled.
- 2.These values are based on characterization, and are not covered in test limits in production.

Symbol | Parameters | Conditions | Measurements | Unit | |||
---|---|---|---|---|---|---|---|

Min. | Typ. | Max. | |||||

ENOB | Effective Number of bits | Fadc = 1Msps | Vref = 2.0V Vddana = 3.0V | 8.0 | 9.3 | 9.7 | bits |

Vref = 1.0V Vddana = 1.62V to 3.6V | 7.9 | 8.2 | 9.4 | ||||

Vref = Vddana = 1.62V to 3.6V | 8.6 | 9.2 | 9.9 | ||||

Bandgap Reference, Vddana = 1.62V to 3.6V | 7.8 | 8.4 | 8.9 | ||||

TUE | Total Unadjusted Error | without offset and gain compensation | Vref = 2.0V Vddana = 3.0V | - | 12 | 66 | LSB |

INL | Integral Non Linearity | without offset and gain compensation | Vref = 2.0V Vddana = 3.0V | - | +/-3.4 | +/-9.1 | |

DNL | Differential Non Linearity | without offset and gain compensation | Vref = 2.0V Vddana = 3.0V | - | +0.9/-1 | +1.8/-1 | |

Gain | Gain Error | without gain compensation | Vref = 1V Vddana = 1.62V to 3.6V | - | +/-0.3 | +/-5.1 | % |

Vref = 3V Vddana = 1.62V to 3.6V | - | +/-0.3 | +/-5.1 | ||||

Bandgap Reference | - | +/-0.4 | +/-5.1 | ||||

Vref = Vddana = 1.62V to 3.6V | - | +/-0.2 | +/-0.8 | ||||

Offset | Offset Error | without offset compensation | Vref = 1V Vddana = 1.62V to 3.6V | - | +/-2.6 | +/-48 | mV |

Vref = 3V Vddana = 1.62V to 3.6V | - | +/-2.6 | +/-48 | ||||

Bandgap Reference | - | +/-1.3 | +/-35 | ||||

Vref = Vddana = 1.62V to 3.6V | - | +/-1.8 | +/-38 | ||||

SFDR | Spurious Free Dynamic Range | Fs = 1 MHz/Fin = 13 kHz/Full range Input signal | Vref = 2.0V Vddana = 3.0V | 56.1 | 63.8 | 72.6 | dB |

SINAD | Signal to Noise and Distortion ratio | 50.0 | 57.7 | 60.1 | |||

SNR | Signal to Noise ratio | 51.9 | 58.3 | 59.8 | |||

THD | Total Harmonic Distortion | -72.5 | -62.4 | -52.3 | |||

Noise RMS | External Reference voltage | External Reference voltage | - | 0.80 | - | mV |

Notes:

- 1.These values are given without any ADC oversampling and decimation features enabled.
- 2.These values are based on characterization, and are not covered in test limits in production.

Figure 1. ADC Analog Input AINx

For 12-bit accuracy: