dsPIC33FJXXXGPX06A/X08A/X10A
TABLE 25-43: ADC MODULE SPECIFICATIONS (10-BIT MODE)(2)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(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
ADC Accuracy (10-bit Mode) - Measurements with external VREF+/VREF-
AD20b Nr
Resolution
10 data bits
bits
AD21b INL
Integral Nonlinearity
-1.5
—
+1.5
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD22b DNL
Differential Nonlinearity
>-1
—
<1
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD23b GERR
Gain Error
—
3
6
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD24b EOFF
AD25b —
Offset Error
Monotonicity(1)
—
2
5
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
—
—
—
— Guaranteed
ADC Accuracy (10-bit Mode) - Measurements with internal VREF+/VREF-
AD20b Nr
Resolution
10 data bits
bits
AD21b INL
Integral Nonlinearity
-1
—
+1
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD22b DNL
Differential Nonlinearity
>-1
—
<1
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD23b GERR
Gain Error
—
7
15
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD24b EOFF
AD25b —
Offset Error
Monotonicity(1)
—
3
7
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
—
—
—
— Guaranteed
Dynamic Performance (10-bit Mode)
AD30b THD
Total Harmonic Distortion
—
—
-64
dB
—
AD31b SINAD Signal to Noise and
57
58.5
—
dB
—
Distortion
AD32b SFDR Spurious Free Dynamic
72
—
—
dB
—
Range
AD33b FNYQ
Input Signal Bandwidth
—
—
550
kHz
—
AD34b ENOB Effective Number of Bits
9.16
9.4
—
bits
—
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
2: Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts.
© 2011 Microchip Technology Inc.
DS70593C-page 313