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DSPIC30F2012AT20E/ML Datasheet(PDF) 180 Page - Microchip Technology |
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DSPIC30F2012AT20E/ML Datasheet(HTML) 180 Page - Microchip Technology |
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180 / 205 page  dsPIC30F2011/2012/3012/3013 DS70139E-page 178 © 2006 Microchip Technology Inc. TABLE 20-36: 12-BIT ADC MODULE SPECIFICATIONS AC CHARACTERISTICS Standard Operating Conditions: 2.5V to 5.5V (unless otherwise stated) Operating temperature -40°C ≤ TA ≤ +85°C for Industrial -40°C ≤ TA ≤ +125°C for Extended Param No. Symbol Characteristic Min. Typ Max. Units Conditions Device Supply AD01 AVDD Module VDD Supply Greater of VDD - 0.3 or 2.7 — Lesser of VDD + 0.3 or 5.5 V— AD02 AVSS Module VSS Supply VSS - 0.3 — VSS + 0.3 V — Reference Inputs AD05 VREFH Reference Voltage High AVSS + 2.7 — AVDD V— AD06 VREFL Reference Voltage Low AVSS —AVDD - 2.7 V — AD07 VREF Absolute Reference Voltage AVSS - 0.3 — AVDD + 0.3 V — AD08 IREF Current Drain — 200 .001 300 2 μA μA A/D operating A/D off Analog Input AD10 VINH-VINL Full-Scale Input Span VREFL —VREFH V See Note 1 AD11 VIN Absolute Input Voltage AVSS - 0.3 — AVDD + 0.3 V — AD12 — Leakage Current — ±0.001 ±0.610 μAVINL = AVSS = VREFL = 0V, AVDD = VREFH = 5V Source Impedance = 2.5 k Ω AD13 — Leakage Current — ±0.001 ±0.610 μAVINL = AVSS = VREFL = 0V, AVDD = VREFH = 3V Source Impedance = 2.5 k Ω AD15 RSS Switch Resistance — 3.2K — Ω — AD16 CSAMPLE Sample Capacitor — 18 pF — AD17 RIN Recommended Impedance of Analog Voltage Source — — 2.5K Ω — DC Accuracy(2) AD20 Nr Resolution 12 data bits bits AD21 INL Integral Nonlinearity — — <±1 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 5V AD21A INL Integral Nonlinearity — — <±1 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 3V AD22 DNL Differential Nonlinearity — — <±1 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 5V AD22A DNL Differential Nonlinearity — — <±1 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 3V AD23 GERR Gain Error +1.25 +1.5 +3 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 5V AD23A GERR Gain Error +1.25 +1.5 +3 LSb VINL = AVSS = VREFL = 0V, AVDD = VREFH = 3V Note 1: The A/D conversion result never decreases with an increase in the input voltage, and has no missing codes. 2: Measurements taken with external VREF+ and VREF- used as the ADC voltage references. |
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