Datasheet
dsPIC30F2011/2012/3012/3013
DS70139G-page 182 © 2010 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 ≤ T
A ≤ +125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV
DD 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 V
REFH Reference Voltage High AVSS + 2.7 — AVDD V
AD06 VREFL Reference Voltage Low AVSS —AVDD - 2.7 V
AD07 V
REF 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 V
INH-VINL Full-Scale Input Span VREFL —VREFH V See Note 1
AD11 V
IN Absolute Input Voltage AVSS - 0.3 — AVDD + 0.3 V —
AD12 — Leakage Current — ±0.001 ±0.610 μAV
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
Source Impedance =
2.5 kΩ
AD13 — Leakage Current — ±0.001 ±0.610 μAVINL = AVSS = VREFL =
0V, AVDD = VREFH = 3V
Source Impedance =
2.5 kΩ
AD15 RSS Switch Resistance — 3.2K — Ω
AD16 C
SAMPLE 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 V
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
AD21A INL Integral Nonlinearity — — <±1 LSb V
INL = AVSS = VREFL =
0V, AVDD = VREFH = 3V
AD22 DNL Differential Nonlinearity — — <±1 LSb V
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
AD22A DNL Differential Nonlinearity — — <±1 LSb V
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD23 G
ERR Gain Error +1.25 +1.5 +3 LSb VINL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
AD23A G
ERR Gain Error +1.25 +1.5 +3 LSb VINL = AVSS = VREFL =
0V, AV
DD = 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 V
REF+ and VREF- used as the ADC voltage references.