Microchip Technology MA330031-2 Data Sheet
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 460
2011-2013 Microchip Technology Inc.
TABLE 30-58: ADC MODULE SPECIFICATIONS (12-BIT MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
(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
ADC Accuracy (12-Bit Mode)
AD20a
Nr
Resolution
12 Data Bits
bits
AD21a
INL
Integral Nonlinearity
-2.5
—
2.5
LSb
-40°C
T
A
+85°C (Note
-5.5
—
5.5
LSb
+85°C
T
A
+125°C (Note
)
AD22a
DNL
Differential Nonlinearity
-1
—
1
LSb
-40°C
T
A
+85°C (Note
-1
—
1
LSb
+85°C
T
A
+125°C (Note
)
AD23a
G
ERR
Gain Error
(
)
-10
—
10
LSb
-40°C
T
A
+85°C (Note
-10
—
10
LSb
+85°C
T
A
+125°C (Note
)
AD24a
E
OFF
Offset Error
-5
—
5
LSb
-40°C
T
A
+85°C (Note
-5
—
5
LSb
+85°C
T
A
+125°C (Note
)
AD25a
—
Monotonicity
—
—
—
—
Guaranteed
Dynamic Performance (12-Bit Mode)
AD30a
THD
Total Harmonic Distortion
—
75
—
dB
AD31a
SINAD
Signal to Noise and
Distortion
Distortion
—
68
—
dB
AD32a
SFDR
Spurious Free Dynamic
Range
Range
(
)
—
80
—
dB
AD33a
F
NYQ
Input Signal Bandwidth
(
)
—
250
—
kHz
AD34a
ENOB
Effective Number of Bits
(
)
11.09
11.3
—
bits
Note 1:
Device is functional at V
BORMIN
< V
DD
< V
DDMIN
, but will have degraded performance. Device functionality
is tested, but not characterized. Analog modules (ADC, op amp/comparator and comparator voltage
reference) may have degraded performance. Refer to Parameter
reference) may have degraded performance. Refer to Parameter
for the minimum
and maximum BOR values.
2:
For all accuracy specifications, V
INL
= AV
SS
= V
REFL
= 0V and AV
DD
= V
REFH
= 3.6V.
3:
Parameters are characterized but not tested in manufacturing.