
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
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
A
A/D operating
A/D off
Analog Input
AD10
VINH-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,
AVDD = VREFH = 5V
Source Impedance = 2.5 k
AD13
—
Leakage Current
—
±0.001
±0.610
AVINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3V
Source Impedance =
2.5 k
AD15
RSS
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 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.