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PIC16F1507-E/SS. 数据表(PDF) 224 Page - Microchip Technology |
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PIC16F1507-E/SS. 数据表(HTML) 224 Page - Microchip Technology |
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224 / 278 page ![]() PIC16(L)F1507 DS40001586D-page 224 2011-2015 Microchip Technology Inc. TABLE 25-13: ANALOG-TO-DIGITAL CONVERTER (ADC) CHARACTERISTICS(1,2,3) Operating Conditions (unless otherwise stated) VDD = 3.0V, TA = 25°C Param. No. Sym. Characteristic Min. Typ† Max. Units Conditions AD01 NR Resolution — — 10 bit AD02 EIL Integral Error — ±1 ±1.7 LSb VREF = 3.0V AD03 EDL Differential Error — ±1 ±1 LSb No missing codes VREF = 3.0V AD04 EOFF Offset Error — ±1 ±2.5 LSb VREF = 3.0V AD05 EGN Gain Error — ±1 ±2.0 LSb VREF = 3.0V AD06 VREF Reference Voltage 1.8 — VDD VVREF = (VRPOS - VRNEG) (Note 4) AD07 VAIN Full-Scale Range VSS —VREF V AD08 ZAIN Recommended Impedance of Analog Voltage Source —— 10 k Can go higher if external 0.01F capacitor is present on input pin. * These parameters are characterized but not tested. † Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested. Note 1: Total Absolute Error includes integral, differential, offset and gain errors. 2: The ADC conversion result never decreases with an increase in the input voltage and has no missing codes. 3: See Section 26.0 “DC and AC Characteristics Graphs and Charts” for operating characterization. 4: ADC VREF is selected by ADPREF<0> bit. |
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