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PIC16CR74E/P Datasheet(PDF) 138 Page - Microchip Technology |
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PIC16CR74E/P Datasheet(HTML) 138 Page - Microchip Technology |
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138 / 172 page  PIC16CR7X DS21993C-page 136 © 2007 Microchip Technology Inc. TABLE 15-12: A/D CONVERTER CHARACTERISTICS:PIC16CR7X (INDUSTRIAL, EXTENDED) Param No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution — — 8 bits bit VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A02 EABS Total absolute error — — < ±1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A03 EIL Integral linearity error — — < ±1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A04 EDL Differential linearity error — — < ±1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A05 EFS Full scale error — — < ±1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A06 EOFF Offset error — — < ±1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A10 — Monotonicity (Note 3) — guaranteed — — VSS ≤ VAIN ≤ VREF A20 VREF Reference voltage 2.5 2.2 — — 5.5 5.5 V V -40°C to +125°C 0°C to +125°C A25 VAIN Analog input voltage VSS - 0.3 — VREF + 0.3 V A30 ZAIN Recommended impedance of analog voltage source — — 10.0 k Ω A40 IAD A/D conversion current (VDD)— 180 — μA Average current consumption when A/D is on (Note 1). A50 IREF VREF input current (Note 2) N/A — — — ±5 500 μA μA During VAIN acquisition. 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 the RA3 pin or the VDD pin, whichever is selected as a reference input. 3: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes. |
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