Datasheet

PIC24F16KL402 FAMILY
DS31037B-page 222  2011 Microchip Technology Inc.
TABLE 26-35: A/D MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 1.8V to 3.6V (unless otherwise
stated)
Operating temperature -40°C  T
A  +85°C for Industrial
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV
DD Module VDD Supply Greater of
V
DD – 0.3
or 1.8
— Lesser of
V
DD + 0.3
or 3.6
V
AD02 AV
SS Module VSS Supply VSS – 0.3 — VSS + 0.3 V
Reference Inputs
AD05 VREFH Reference Voltage High AVSS + 1.7 — AVDD V
AD06 V
REFL Reference Voltage Low AVSS —AVDD – 1.7 V
AD07 V
REF Absolute Reference
Voltage
AVSS – 0.3 — AVDD + 0.3 V
Analog Input
AD10 V
INH-VINL Full-Scale Input Span VREFL —VREFH V (Note 1)
AD11 V
IN Absolute Input Voltage AVSS – 0.3 — AVDD + 0.3 V
AD12 V
INL Absolute VINL Input
Voltage
AVSS – 0.3 AVDD/2 V
AD17 R
IN Recommended
Impedance of Analog
Voltage Source
— — 2.5K  10-bit
A/D Accuracy
AD20b N
R Resolution — 10 — bits
AD21b INL Integral Nonlinearity — ±1 ±2 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD22b DNL Differential Nonlinearity — ±1 ±1.5 LSb V
INL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD23b GERR Gain Error — ±1 ±3 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD24b EOFF Offset Error — ±1 ±2 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD25b Monotonicity — — — — (Note 2)
Note 1: Measurements are taken with external V
REF+ and VREF- used as the A/D voltage reference.
2: The A/D conversion result never decreases with an increase in the input voltage.