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12F683 Datasheet(PDF) 129 Page - Microchip Technology |
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12F683 Datasheet(HTML) 129 Page - Microchip Technology |
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129 / 148 page  2004 Microchip Technology Inc. Preliminary DS41211B-page 127 PIC12F683 TABLE 15-9: PIC12F683 A/D CONVERTER CHARACTERISTICS Standard Operating Conditions (unless otherwise stated) Operating temperature -40°C ≤ TA ≤ +125°C Param No. Sym Characteristic Min Typ† Max Units Conditions A01 NR Resolution — — 10 bit A02 EABS Total Absolute Error*(1) —— ±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(2) —— VSS ≤ VAIN ≤ VREF+ A20 A20A VREF Reference Voltage 2.2 2.5 —VDD + 0.3 VDD + 0.3 V 0°C ≤ TA ≤ +125°C Absolute limits to ensure 10-bit accuracy A25 VAIN Analog Input Voltage VSS —VREF V A30 ZAIN Recommended Impedance of Analog Voltage Source —— 10 K Ω A50 IREF VREF Input Current*(3) 10 — — — 1000 10 µA µA 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: Total Absolute Error includes integral, differential, offset and gain errors. 2: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes. 3: VREF current is from external VREF or VDD pin, whichever is selected as reference input. 4: When A/D is off, it will not consume any current other than leakage current. The power-down current specification includes any such leakage from the A/D module. |
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