56.16 ADC Electrical Specifications
AC CHARACTERISTICS | Standard
Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +125°C for Extended Temperature |
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Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
SINGLE ENDED MODE ADC Accuracy (3) | |||||||
SADC_19 | INL | Integral Nonlinearity | -3.3 | — | 3.3 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V |
SADC_21 | -5.1 | — | 5.1 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V |
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SADC_27 | DNL | Differential Nonlinearity | -1 | — | 1.5 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V |
SADC_37 | EOFF | Offset Error | -26.1 | — | 11.6 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V,
SAMPCTRL.OFFCOMP=1 |
-35.9 | — | 29 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, SAMPCTRL.OFFCOMP=1 |
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SADC_43 | TUE | Total Unadjusted Error | -21 | — | 21 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3v,
REFCTRL.REFCOMP=1, SAMPCTRL.OFFCOMP=1 |
SADC_47 | -19.7 | — | 19.7 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, REFCTRL.REFCOMP=1, SAMPCTRL.OFFCOMP=1 |
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SINGLE ENDED MODE ADC Dynamic Performance (3) | |||||||
SADC_49 | SINAD (1,2) | Signal to Noise and Distortion | 55.6 | — | — | dB | VREF=AVDD=VDD=3.3V at 12bit max sampling rate |
SADC_57 | Nrms | Noise RMS | — | — | 3 | LSB | VREF = AVDD = VDD = 3.3V, Constant Input Voltage |
— | — | 4 | LSB | External VREF = 2.4V, AVDD = VDD = 3.3V,
Constant Input Voltage |
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Note:
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AC CHARACTERISTICS | Standard
Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise
stated) Operating temperature : -40°C ≤ TA ≤ +125°C for Extended Temperature |
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Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
DIFFERENTIAL MODE ADC Accuracy (1) | |||||||
DADC_19 | INL | Integral Nonlinearity | -1.8 | — | 1.8 | LSB | 1Msps, Internal
VREF=AVDD=VDD=3.3V |
DADC_21 | -1.9 | — | 1.9 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V |
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DADC_27 | DNL | Differential Nonlinearity | -1 | — | 1.2 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V |
DADC_31 | GERR | Gain Error | -8.6 | — | 8.2 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V, REFCTRL.REFCOMP=1 |
-5.4 | — | 8.6 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, REFCTRL.REFCOMP=1 |
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-12.3 | — | 8.2 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V, REFCTRL.REFCOMP=0 |
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-38.5 | — | 29.1 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, REFCTRL.REFCOMP=0 |
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DADC_37 | EOFF | Offset Error | -4.5 | — | 3.9 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V, SAMPCTRL.OFFCOMP=1 |
-5.7 | — | 4.6 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, SAMPCTRL.OFFCOMP=1 |
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-15.3 | — | 15.3 | LSB | 1Msps, Internal VREF=AVDD=VDD=3.3V, SAMPCTRL.OFFCOMP=0 |
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-20.9 | — | 21.2 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, SAMPCTRL.OFFCOMP=0 |
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DADC_45 | TUE | Total Unadjusted Error | -5.8 | — | 5.8 | LSB | 1Msps, External VREF=2.4V,
AVDD=VDD=3.3V, REFCTRL.REFCOMP=1, SAMPCTRL.OFFCOMP=1 |
Note:
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AC CHARACTERISTICS | Standard
Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +15°C for Extended Temperature |
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Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
ADC_ Clock Requirements | |||||||
ADC_57 | TAD | ADC Clock Period | 62.5 | — | 3125 | ns | — |
ADC_58 | fGCLK_ADCx | ADCx Module GCLK max input freq | — | — | FCLK_51 | MHz | FCLK_51: Refer to Maximum Clock Frequencies Electrical Specifications |
ADC Single-Ended Throughput Rates | |||||||
ADC_59 | FTPR (1) (Single-Ended Mode) | Throughput Rate
(Single-Ended) |
24.62 | — | 1231 | ksps | 12-bit resolution, Rsource ≤ 147 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
26.67 | — | 1333 | 10-bit resolution, Rsource ≤ 504 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
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32 | — | 1600 | 8-bit resolution, Rsource ≤ 1,000 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
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20 | — | 1000 | ksps | 12-bit resolution, Rsource ≤ 6,560 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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21.30 | — | 1067 | 10-bit resolution, Rsource ≤ 8,000 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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24.62 | — | 1231 | 8-bit resolution, Rsource ≤ 9,984 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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ADC Differential Mode Throughput Rates | |||||||
ADC_61 | FTPR
(1) (Differential Mode) |
Throughput Rate
(Differential Mode) |
24.62 | — | 1231 | ksps | 12-bit resolution, Rsource ≤ 147 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
29.09 | — | 1455 | 10-bit resolution, Rsource ≤ 504 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
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35.56 | — | 1778 | 8-bit resolution, Rsource ≤ 1,000 Ω, SAMPCTRL.OFFCOMP=0, SAMPCTRL.SAMPLEN=0 |
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20 | — | 1000 | ksps | 12-bit resolution, Rsource ≤ 6,560 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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22.86 | — | 1143 | 10-bit resolution, Rsource ≤ 8,000 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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26.67 | — | 1333 | 8-bit resolution, Rsource ≤ 9,984 Ω SAMPCTRL.OFFCOMP=1, SAMPCTRL.SAMPLEN=n/a |
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Note:
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