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PIC12F629-I/SN Scheda tecnica(PDF) 103 Page - Microchip Technology |
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PIC12F629-I/SN Scheda tecnica(HTML) 103 Page - Microchip Technology |
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103 / 136 page ![]() 2010 Microchip Technology Inc. DS41190G-page 103 PIC12F629/675 TABLE 12-8: PIC12F675 A/D CONVERTER CHARACTERISTICS: Param No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution — — 10 bits bit A02 EABS Total Absolute Error* —— 1LSb VREF = 5.0V A03 EIL Integral Error — — 1LSb VREF = 5.0V A04 EDL Differential Error — — 1 LSb No missing codes to 10 bits VREF = 5.0V A05 EFS Full Scale Range 2.2* — 5.5* V A06 EOFF Offset Error — — 1LSb VREF = 5.0V A07 EGN Gain Error — — 1LSb VREF = 5.0V A10 — Monotonicity — guaranteed(3) —— VSS VAIN VREF+ A20 A20A VREF Reference Voltage 2.0 2.5 —— VDD + 0.3 V Absolute minimum to ensure 10-bit accuracy A21 VREF Reference V High (VDD or VREF) VSS —VDD V A25 VAIN Analog Input Voltage VSS —VREF V A30 ZAIN Recommended Impedance of Analog Voltage Source —— 10 k A50 IREF VREF Input Current(2) 10 — — — 1000 10 A A During VAIN acquisition. Based on differential of VHOLD to VAIN. During A/D conversion cycle. * These parameters are characterized but not tested. † Data in “Typ” column is at 5.0V, 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 leakage current. The power-down current spec includes any such leakage from the A/D module. 2: VREF current is from External VREF 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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