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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC876 датащи(PDF) 176 Page - Microchip Technology |
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PIC876 датащи(HTML) 176 Page - Microchip Technology |
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176 / 218 page  PIC16F87X DS30292C-page 174 2001 Microchip Technology Inc. TABLE 15-12: PIC16F87X-04 (COMMERCIAL, INDUSTRIAL, EXTENDED) PIC16F87X-10 (EXTENDED) PIC16F87X-20 (COMMERCIAL, INDUSTRIAL) PIC16LF87X-04 (COMMERCIAL, INDUSTRIAL) Param No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution —— 10-bits bit 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 A06 EOFF Offset error —— < ± 2 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A07 EGN Gain error —— < ± 1 LSb VREF = VDD = 5.12V, VSS ≤ VAIN ≤ VREF A10 — Monotonicity(3) — guaranteed —— VSS ≤ VAIN ≤ VREF A20 VREF Reference voltage (VREF+ - VREF-) 2.0 — VDD + 0.3 V Absolute minimum electrical spec. To ensure 10-bit accuracy. A21 VREF+ Reference voltage High AVDD - 2.5V AVDD + 0.3V V A22 VREF- Reference voltage low AVSS - 0.3V VREF+ - 2.0V V A25 VAIN Analog input voltage VSS - 0.3 V — VREF + 0.3 V V A30 ZAIN Recommended impedance of analog voltage source —— 10.0 k Ω A40 IAD A/D conversion current (VDD) Standard — 220 — µA Average current consumption when A/D is on (Note 1) Extended — 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 11.1. 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 RA3 pin or VDD pin, whichever is selected as 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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