Datasheet

 2011-2013 Microchip Technology Inc. DS39995D-page 293
PIC24FV32KA304 FAMILY
TABLE 29-40: A/D MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 1.8V to 3.6V PIC24F32KA3XX
2.0V to 5.5V PIC24FV32KA3XX
Operating temperature -40°C  T
A  +85°C for Industrial
-40°C  T
A  +125°C for Extended
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:
VDD + 0.3 or 3.6
V PIC24FXXKA30X devices
Greater of:
V
DD – 0.3 or 2.0
— Lesser of:
VDD + 0.3 or 5.5
V PIC24FVXXKA30X
devices
AD02 AVSS Module VSS Supply VSS – 0.3 — VSS + 0.3 V
Reference Inputs
AD05 V
REFH Reference Voltage High AVSS + 1.7 — AVDD V
AD06 VREFL Reference Voltage Low AVSS —AVDD – 1.7 V
AD07 VREF Absolute Reference
Voltage
AVSS – 0.3 — AVDD + 0.3 V
AD08 I
VREF Reference Voltage Input
Current
—1.25— mA
AD09 Z
VREF Reference Input
Impedance
—10k— 
Analog Input
AD10 V
INH-VINL Full-Scale Input Span VREFL —VREFH V (Note 2)
AD11 VIN Absolute Input Voltage AVSS – 0.3 — AVDD + 0.3 V
AD12 VINL Absolute VINL Input
Voltage
AVSS – 0.3 — AVDD/2 V
AD17 R
IN Recommended
Impedance of Analog
Voltage Source
——1k 12-bit
A/D Accuracy
AD20b NR Resolution — 12 — bits
AD21b INL Integral Nonlinearity — ±1 ±9 LSb V
INL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V
AD22b DNL Differential Nonlinearity — ±1 ±5 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V
AD23b GERR Gain Error — ±1 ±9 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V
AD24b E
OFF Offset Error — ±1 ±5 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V
AD25b Monotonicity
(1)
— — — — Guaranteed
Note 1: The A/D conversion result never decreases with an increase in the input voltage.
2: Measurements are taken with external VREF+ and VREF- used as the A/D voltage reference.