Mikroelektronika MikroE Development Kits MIKROE-1208 Datenbogen
Produktcode
MIKROE-1208
2009-2012 Microchip Technology Inc.
DS70593D-page 313
dsPIC33FJXXXGPX06A/X08A/X10A
TABLE 25-42: ADC MODULE SPECIFICATIONS (12-BIT MODE)
(2)
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) - Measurements with external V
REF
+/V
REF
-
AD20a Nr
Resolution
12 data bits
bits
AD21a INL
Integral Nonlinearity
-2
—
+2
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD22a DNL
Differential Nonlinearity
>-1
—
<1
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD23a G
ERR
Gain Error
—
3.4
10
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD24a E
OFF
Offset Error
—
0.9
5
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD25a —
Monotonicity
(1)
—
—
—
—
Guaranteed
ADC Accuracy (12-bit Mode) - Measurements with internal V
REF
+/V
REF
-
AD20a Nr
Resolution
12 data bits
bits
AD21a INL
Integral Nonlinearity
-2
—
+2
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD22a DNL
Differential Nonlinearity
>-1
—
<1
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD23a G
ERR
Gain Error
—
10.5
20
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD24a E
OFF
Offset Error
—
3.8
10
LSb
V
INL
= AV
SS
= V
REFL
=
0V, AV
DD
= V
REFH
= 3.6V
AD25a —
Monotonicity
(1)
—
—
—
—
Guaranteed
Dynamic Performance (12-bit Mode)
AD30a THD
Total Harmonic Distortion
—
—
-75
dB
—
AD31a SINAD
Signal to Noise and
Distortion
Distortion
68.5
69.5
—
dB
—
AD32a SFDR
Spurious Free Dynamic
Range
Range
80
—
—
dB
—
AD33a F
NYQ
Input Signal Band-Width
—
—
250
kHz
—
AD34a ENOB
Effective Number of Bits
11.09
11.3
—
bits
—
Note 1:
The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
codes.
2:
Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts.