Datasheet

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
DS70292G-page 382 © 2007-2012 Microchip Technology Inc.
TABLE 30-43: 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 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,
AV
DD = VREFH = 3.6V
AD24b EOFF Offset Error — 2 5 LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.6V
AD25b — Monotonicity — — — — Guaranteed
ADC Accuracy (10-bit Mode) – Measurements with internal VREF+/VREF-
AD20b Nr 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
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.