Datasheet

dsPIC30F3014/4013
DS70138G-page 206  2010 Microchip Technology Inc.
TABLE 23-37: 12-BIT A/D MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature -40°C  T
A  +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
V
DD – 0.3
or 2.7
— Lesser of
V
DD + 0.3
or 5.5
V
AD02 AV
SS Module VSS Supply VSS - 0.3 — VSS + 0.3 V
Reference Inputs
AD05 VREFH Reference Voltage High AVSS + 2.7 — AVDD V
AD06 V
REFL Reference Voltage Low AVSS —AVDD – 2.7 V
AD07 V
REF Absolute Reference
Voltage
AVSS – 0.3 — AVDD + 0.3 V
AD08 I
REF Current Drain — 200
.001
300
2
A
A
A/D operating
A/D off
Analog Input
AD10 V
INH-VINL Full-Scale Input Span VREFL —VREFH V Note 1
AD11 VIN Absolute Input Voltage AVSS – 0.3 — AVDD + 0.3 V
AD12 — Leakage Current — ±0.001 ±0.610 AVINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V
Source Impedance = 2.5 k
AD13 — Leakage Current — ±0.001 ±0.610 AV
INL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
Source Impedance =
2.5 k
AD15 R
SS Switch Resistance — 3.2K — 
AD16 CSAMPLE Sample Capacitor — 18 pF
AD17 RIN Recommended Impedance
of Analog Voltage Source
— — 2.5K 
DC Accuracy
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,
AV
DD = 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 GERR 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.