Datasheet
PIC32MX5XX/6XX/7XX
DS60001156J-page 388 2009-2016 Microchip Technology Inc.
TABLE 32-36: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions (see Note 5): 2.5V to 3.6V
(unless otherwise stated)
Operating temperature -40°C T
A
+85°C for Industrial
-40°C T
A
+105°C for V-Temp
Param.
No.
Symbol Characteristics Min. Typical Max. Units Conditions
Device Supply
AD01 AV
DD
Module V
DD
Supply Greater of
V
DD
– 0.3
or 2.5
— Lesser of
V
DD
+ 0.3
or 3.6
V
—
AD02 AV
SS
Module V
SS
Supply V
SS
—V
SS
+ 0.3 V —
Reference Inputs
AD05
AD05a
V
REFH
Reference Voltage High AV
SS
+ 2.0
2.5
—
—
AV
DD
3.6
V
V
(Note 1)
V
REFH
= AV
DD
(Note 3)
AD06 V
REFL
Reference Voltage Low AV
SS
—V
REFH
– 2.0 V
(Note 1)
AD07 V
REF
Absolute Reference
Voltage (V
REFH
– V
REFL
)
2.0 — AV
DD
V
(Note 3)
AD08
AD08a
I
REF
Current Drain —
—
250
—
400
3
A
A
ADC operating
ADC off
Analog Input
AD12 V
INH
-V
INL
Full-Scale Input Span V
REFL
—V
REFH
V—
AD13 V
INL
Absolute V
INL
Input
Voltage
AV
SS
– 0.3 — AV
DD
/2 V —
AD14 V
IN
Absolute Input Voltage AV
SS
– 0.3 — AV
DD
+ 0.3 V —
AD15 Leakage Current — ±0.001 ±0.610 AV
INL
= AV
SS
= V
REFL
= 0V,
AV
DD
= V
REFH
= 3.3V
Source Impedance = 10 k
AD17 R
IN
Recommended
Impedance of Analog
Voltage Source
——5K
(Note 1)
ADC Accuracy – Measurements with External V
REF
+/V
REF
-
AD20c Nr Resolution 10 data bits bits —
AD21c INL Integral Nonlinearity > -1 — < 1 LSb V
INL
= AV
SS
= V
REFL
= 0V,
AV
DD
= V
REFH
= 3.3V
AD22c DNL Differential Nonlinearity > -1 — < 1 LSb V
INL
= AV
SS
= V
REFL
= 0V,
AV
DD
= V
REFH
= 3.3V
(Note 2)
AD23c G
ERR
Gain Error > -1 — < 1 LSb V
INL
= AV
SS
= V
REFL
= 0V,
AV
DD
= V
REFH
= 3.3V
AD24c E
OFF
Offset Error > -1 — < 1 LSb V
INL
= AV
SS
= 0V,
AV
DD
= 3.3V
AD25c — Monotonicity — — — — Guaranteed
Note 1:
These parameters are not characterized or tested in manufacturing.
2:
With no missing codes.
3:
These parameters are characterized, but not tested in manufacturing.
4:
Characterized with a 1 kHz sine wave.
5:
The ADC module is functional at V
BORMIN
< V
DD
< 2.5V, but with degraded performance. Unless otherwise
stated, module functionality is tested, but not characterized.