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PIC18F258-E/LSQTP Datasheet(PDF) 360 Page - Microchip Technology |
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PIC18F258-E/LSQTP Datasheet(HTML) 360 Page - Microchip Technology |
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360 / 402 page ![]() PIC18FXX8 DS41159E-page 358 © 2006 Microchip Technology Inc. TABLE 27-23: A/D CONVERTER CHARACTERISTICS: PIC18FXX8 (INDUSTRIAL, EXTENDED) PIC18LFXX8 (INDUSTRIAL) Param No. Symbol Characteristic Min Typ Max Units Conditions A01 NR Resolution — — 10 bit VREF = VDD ≥ 3.0V A03 EIL Integral Linearity Error — — <±1 LSb VREF = VDD ≥ 3.0V A04 EDL Differential Linearity Error — — <±1 LSb VREF = VDD ≥ 3.0V A05 EFS Full Scale Error — — <±1 LSb VREF = VDD ≥ 3.0V A06 EOFF Offset Error — — <±1.5 LSb VREF = VDD ≥ 3.0V A10 — Monotonicity(3) guaranteed — VSS ≤ VAIN ≤ VREF A20 VREF Reference Voltage (VREFH – VREFL) 0V — — V A20A 3V — — V For 10-bit resolution A21 VREFH Reference Voltage High VSS —VDD + 0.3V V A22 VREFL Reference Voltage Low VSS – 0.3V — VDD V A25 VAIN Analog Input Voltage VSS – 0.3V — VREF + 0.3V V A30 ZAIN Recommended Impedance of Analog Voltage Source — — 10.0 k Ω A40 IAD A/D Conversion Current (VDD) PIC18FXX8 — 180 — μA Average current consumption when A/D is on (Note 1) PIC18LFXX8 — 90 — μA A50 IREF VREF Input Current (Note 2) 0 — — — 5 150 μA μA During VAIN acquisition. Based on differential of VHOLD to VAIN. To charge CHOLD. During A/D conversion cycle. Note 1: When A/D is off, it will not consume any current other than minor leakage current. The power-down current specification includes any such leakage from the A/D module. VREF current is from RA2/AN2/VREF- and RA3/AN3/VREF+ pins or VDD and VSS pins, whichever is selected as reference input. 2: VSS ≤ VAIN ≤ VREF 3: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes. |
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