70291E Datasheet, PDF (387/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
TABLE 31-45: ADC MODULE SPECIFICATIONS (10-BIT MODE)
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
AD20b Nr
ADC Accuracy (10-bit Mode) – Measurements with external VREF+/VREF-
Resolution⁽¹⁾
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
Offset Error
—
2
5
LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.6V
AD25b —
Monotonicity
—
—
—
— Guaranteed
AD20b Nr
ADC Accuracy (10-bit Mode) – Measurements with internal VREF+/VREF-
Resolution⁽¹⁾
10 data bits
bits
AD21b INL
Integral Nonlinearity
-1
—
+1 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD22b DNL
Differential Nonlinearity
>-1
—
<1 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD23b GERR
Gain Error
3
7
15 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24b EOFF
Offset Error
1.5
3
7
LSb VINL = AVSS = 0V, AVDD = 3.6V
AD25b —
Monotonicity
—
—
—
— 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: Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts.
© 2011 Microchip Technology Inc.
DS70291E-page 387