Datasheet

© 2009-2012 Microchip Technology Inc. Preliminary DS70616F-page 553
dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
TABLE 32-55: ADC MODULE SPECIFICATIONS (12-BIT MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (see Note 3)
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤T
A ≤+125°C for Extended
Param. Symbol Characteristic Min. Typ. Max. Units Conditions
ADC Accuracy (12-bit Mode) – Measurements with external V
REF+/VREF-
AD20a Nr Resolution 12 data bits bits —
AD21a INL Integral Nonlinearity -2 — +2 LSb V
INL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD22a DNL Differential Nonlinearity >-1 — <1 LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD23a G
ERR Gain Error 1.25 1.5 3 LSb VINL = AVSS = VREFL = 0V, AVDD
= V
REFH = 3.6V
AD24a E
OFF Offset Error 1.25 1.52 2 LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD25a — Monotonicity — — — — Guaranteed
ADC Accuracy (12-bit Mode) – Measurements with internal V
REF+/VREF-
AD20a Nr Resolution 12 data bits bits —
AD21a INL Integral Nonlinearity -2 — +2 LSb V
INL = AVSS = 0V, AVDD = 3.6V
AD22a DNL Differential Nonlinearity >-1 — <1 LSb V
INL = AVSS = 0V, AVDD = 3.6V
AD23a G
ERR Gain Error 2 3 7 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24a EOFF Offset Error 2 3 5 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD25a — Monotonicity — — — — Guaranteed
Dynamic Performance (12-bit Mode)
AD30a THD Total Harmonic Distortion — — -75 dB —
AD31a SINAD Signal to Noise and
Distortion
68.5 69.5 — dB —
AD32a SFDR Spurious Free Dynamic
Range
80 — — dB —
AD33a F
NYQ Input Signal Bandwidth — — 250 kHz —
AD34a ENOB Effective Number of Bits 11.09 11.3 — bits —
Note 1: Device is functional at V
BORMIN < VDD < VDDMIN. Analog modules: ADC, Comparator, and DAC will have
degraded performance. Device functionality is tested but not characterized. Refer to parameter BO10 in
Table 32-11 for the minimum and maximum BOR values.