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MPC5673K Datasheet(PDF) 85 Page - Freescale Semiconductor, Inc |
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MPC5673K Datasheet(HTML) 85 Page - Freescale Semiconductor, Inc |
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85 / 140 page  Electrical characteristics MPC5675K Microcontroller Data Sheet, Rev. 4 Preliminary—Subject to Change Without Notice Freescale Semiconductor 85 From this formula, in the worst case (when VA is maximum, that is for instance 5 V), assuming to accept a maximum error of half a count, a constraint is evident on CF value: Eqn. 20 Table 24. ADC conversion characteristics No. Symbol Parameter Conditions1 NOTES: 1 V DD = 3.3 V, TJ = –40 to +150 °C, unless otherwise specified and analog input voltage from VAGND to VAREF. Min Typ Max Unit 1fCK SR ADC clock frequency (depends on ADC configuration) (The duty cycle depends on AD_CK2 frequency) 2 AD_CK clock is always half of the ADC module input clock defined via the auxiliary clock divider for the ADC. —3 — 60 MHz 2fs SR Sampling frequency — — — 959 kHz 3tADC_S D Sample time 3 60 MHz 383 — — ns 4tADC_E P Evaluation time 4 TBD 600 — — ns 5CS 5 D ADC input sampling capacitance — — — 7.32 pF 6CP1 5 D ADC input pin capacitance 1 —— — 2.5 pF 7CP2 5 D ADC input pin capacitance 2 —— — TBD pF 8RSW1 5 D Channel selection switch resistance VREF range=4.5to5.5 V — — 1.0 k 9VREF range=3.0to3.6 V — — 1.2 k 10 RAD 5 D Sample switching resistance — — — 825 11 IINJ T Current injection Current injection on one ADC input channel, different from the converted one. Other parameters stay within specified limits as long as the ADC supply stays within its specified limits due to the current injection. –3 — 3 mA 12 INL P Integral non linearity —–3 — 3 LSB 13 DNL P Differential non linearity6 —–1.0 — 1.0 LSB 14 OFS T Offset error —–4 — 4 LSB 15 GNE T Gain error —–4 — 4 LSB 16 TUE P Total unadjusted error —–6 — 6 LSB 17 TUE T Total unadjusted error with current injection — TBD — TBD LSB 18 SNR T Signal-to-noise ratio —69 — — dB 19 THD T Total harmonic distortion —TBD — — dB 20 SINAD T Signal-to-noise and distortion —65 — — dB 21 ENOB T Effective number of bits —10.5 — — bits C F 8192 C S |
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