Datasheet

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
DS70291G-page 402 © 2007-2012 Microchip Technology Inc.
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 ≤ T
A ≤ +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 V
REF+/VREF-
AD20b Nr Resolution
(1)
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 V
INL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3.6V
AD23b G
ERR Gain Error — 3 6 LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.6V
AD24b E
OFF Offset Error — 2 5 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3.6V
AD25b — Monotonicity — — — — Guaranteed
ADC Accuracy (10-bit Mode) – Measurements with internal V
REF+/VREF-
AD20b Nr Resolution
(1)
10 data bits bits
AD21b INL Integral Nonlinearity -1 — +1 LSb V
INL = AVSS = 0V, AVDD = 3.6V
AD22b DNL Differential Nonlinearity >-1 — <1 LSb V
INL = AVSS = 0V, AVDD = 3.6V
AD23b G
ERR Gain Error 3 7 15 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24b E
OFF 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
Distortion
57 58.5 — dB —
AD32b SFDR Spurious Free Dynamic
Range
72 — — dB —
AD33b F
NYQ 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.