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MPC5604B датащи(PDF) 57 Page - Freescale Semiconductor, Inc |
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MPC5604B датащи(HTML) 57 Page - Freescale Semiconductor, Inc |
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57 / 72 page ![]() Electrical characteristics MPC5604B/C Microcontroller Data Sheet, Rev. 4 Freescale Semiconductor 57 Eqn. 11 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. 12 4.18.5.3 ADC electrical characteristics Table 42. ADC input leakage current Symbol C Parameter Conditions Value Unit Min Typ Max ILKG CC C Input leakage current TA = −40 °C No current injection on adjacent pin — 1 — nA C TA = 25 °C — 1 — C TA = 105 °C — 8 200 P TA = 125 °C — 45 400 Table 43. ADC conversion characteristics Symbol C Parameter Conditions1 Value Uni t Min Typ Max VSS_ADC S R — Voltage on VSS_HV_ADC (ADC reference) pin with respect to ground (VSS) 2 — −0.1 — 0.1 V VDD_ADC S R — Voltage on VDD_HV_ADC pin (ADC reference) with respect to ground (VSS) — VDD−0.1 — VDD+0.1 V VAINx S R — Analog input voltage3 — VSS_ADC−0.1 — VDD_ADC+0. 1 V fADC S R — ADC analog frequency — 6 — 32 + 4% MH z Δ ADC_SY S S R — ADC digital clock duty cycle (ipg_clk) ADCLKSEL = 14 45 — 55 % tADC_PU S R — ADC power up delay — — — 1.5 µs V A V A2 ------------ C P1 C P2 +C F + C P1 C P2 +C F C S ++ -------------------------------------------------------- = C F 2048 C S • > |
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