Datasheet

PIC32MX1XX/2XX
DS61168E-page 274 Preliminary  2011-2012 Microchip Technology Inc.
ADC Accuracy – Measurements with Internal VREF+/VREF-
AD20d Nr Resolution 10 data bits bits (Note 3)
AD21d INL Integral Non-linearity > -1 — < 1 LSb V
INL = AVSS = 0V,
AVDD = 2.5V to 3.6V
(Note 3)
AD22d DNL Differential Non-linearity > -1 — < 1 LSb V
INL = AVSS = 0V,
AV
DD = 2.5V to 3.6V
(Notes 2,3)
AD23d GERR Gain Error > -4 — < 4 LSb VINL = AVSS = 0V,
AVDD = 2.5V to 3.6V
(Note 3)
AD24d EOFF Offset Error > -2 — < 2 Lsb VINL = AVSS = 0V,
AVDD = 2.5V to 3.6V
(Note 3)
AD25d — Monotonicity — — — — Guaranteed
Dynamic Performance
AD32b SINAD Signal to Noise and
Distortion
55 58.5 — dB (Notes 3,4)
AD34b ENOB Effective Number of bits 9.0 9.5 — bits (Notes 3,4)
TABLE 29-32: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions (see Note 5): 2.5V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for Industrial
-40°C  TA  +105°C for V-temp
Param.
No.
Symbol Characteristics Min. Typical Max. Units Conditions
Note 1: These parameters are not characterized or tested in manufacturing.
2: With no missing codes.
3: These parameters are characterized, but not tested in manufacturing.
4: Characterized with a 1 kHz sine wave.
5: The ADC module is functional at V
BORMIN < VDD < 2.5V, but with degraded performance. Unless otherwise
stated, module functionality is tested, but not characterized.