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PIC17C752-08/CL Datasheet(PDF) 260 Page - Microchip Technology |
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PIC17C752-08/CL Datasheet(HTML) 260 Page - Microchip Technology |
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260 / 328 page  PIC17C7XX DS30289A-page 260 Preliminary © 1998 Microchip Technology Inc. TABLE 20-19: A/D CONVERTER CHARACTERISTICS Param. No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution — — 10 bit VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — 10* bit (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A02 EABS Absolute error — — < ±1 LSb VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — < ±1* LSb (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A03 EIL Integral linearity error — — < ±1 LSb VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — < ±1* LSb (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A04 EDL Differential linearity error — — < ±1 LSb VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — < ±1* LSb (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A05 EFS Full scale error — — < ±1 LSb VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — < ±1* LSb (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A06 EOFF Offset error — — < ±1 LSb VREF+ = VDD = 5.12V, VSS ≤ VAIN ≤ VREF+ — — < ±1* LSb (VREF+ — VREF-) ≥ 3.0V, VREF- ≤ VAIN ≤ VREF+ A10 — Monotonicity — guaran- teed —— VSS ≤ VAIN ≤ VREF A20 VREF Reference voltage (VREF+ — VREF-) 0V — — V VREF delta when changing voltage lev- els on VREF inputs. A20A 3V * — — V Absolute minimum electrical spec. To ensure 10-bit accuracy A21 VREF+ Reference voltage High AVSS + 3.0V —AVDD + 0.3V V A22 VREF- Reference voltage Low AVSS - 0.3V —AVDD - 3.0V V A25 VAIN Analog input voltage AVSS - 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) PIC17CXXX — 180 — µA Average current consumption when A/D is on. (Note 1) PIC17LCXXX — 90 — µA A50 IREF VREF input current (Note 2) 10 — 1000 µA During VAIN acquisition. Based on differential of VHOLD to VAIN. —— 10 µA During A/D conversion cycle * These parameters are characterized but not tested. † Data in “Typ” column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. Note 1: When A/D is off, it will not consume any current other than minor leakage current. The power-down current spec includes any such leakage from the A/D module. 2: VREF current is from RG0 and RG1 pins or AVDD and AVSS pins, whichever is selected as reference input. |
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