Datasheet

© 2009 Microchip Technology Inc. DS70286C-page 291
dsPIC33FJXXXGPX06/X08/X10
TABLE 25-39: 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
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
ADC Accuracy (10-bit Mode) - Measurements with external V
REF+/VREF-
AD20b Nr Resolution 10 data bits bits
AD21b INL Integral Nonlinearity -1.5 — +1.5 LSb V
INL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD22b DNL Differential Nonlinearity >-1 — <1 LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD23b G
ERR Gain Error 1 3 6 LSb VINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3.6V
AD24b E
OFF Offset Error 1 2 5 LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD25b — Monotonicity
(1)
— — — — Guaranteed
ADC Accuracy (10-bit Mode) - Measurements with internal V
REF+/VREF-
AD20b Nr Resolution 10 data bits bits
AD21b INL Integral Nonlinearity -1 — +1 LSb V
INL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD22b DNL Differential Nonlinearity >-1 — <1 LSb V
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 3.6V
AD23b G
ERR Gain Error 1 5 6 LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD24b EOFF Offset Error 1 2 3 LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD25b — Monotonicity
(1)
— — — — Guaranteed
Dynamic Performance (10-bit Mode)
AD30b THD Total Harmonic Distortion — -64 -67 dB —
AD31b SINAD Signal to Noise and
Distortion
—5758dB —
AD32b SFDR Spurious Free Dynamic
Range
—6062dB —
AD33b F
NYQ Input Signal Bandwidth — — 550 kHz —
AD34b ENOB Effective Number of Bits 9.1 9.7 9.8 bits —
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.