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PIC17C752-08/P Datasheet(PDF) 245 Page - Microchip Technology |
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PIC17C752-08/P Datasheet(HTML) 245 Page - Microchip Technology |
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245 / 320 page  © 1997 Microchip Technology Inc. Preliminary DS30264A-page 245 PIC17C75X TABLE 20-17: A/D CONVERTER CHARACTERISTICS: PIC17LC752/756-08 (COMMERCIAL, INDUSTRIAL) PIC17C752/756-25 (COMMERCIAL, INDUSTRIAL) PIC17C752/756-33 (COMMERCIAL, INDUSTRIAL) Param. No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution — — 10 bit VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A02 EABS 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 — guaranteed — — VSS ≤ VAIN ≤ VREF A20 VREF Reference voltage (VREFH - VREFL) 0V — — V A21 VREFH Reference voltage High VSS + 3.0V —AVDD + 0.3V V A22 VREFL Reference voltage Low AVSS - 0.3V —AVDD - 3.0V 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) 17 CXXX — 180 — µA Average current consumption when A/D is on. (Note 1) 17 LCXXX — 90 — µA A50 IREF VREF input current (Note 2) 10 — — — 1000 10 µA µA During VAIN acquisition. Based on differential of VHOLD to VAIN. To charge CHOLD see Section 16.1. 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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