Datasheet

© 2009 Microchip Technology Inc. Preliminary DS39937B-page 201
PIC24F04KA201 FAMILY
TABLE 26-24: ADC 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 VREF Absolute Reference
Voltage
AVSS – 0.3 — AVDD + 0.3 V
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 V
INL Absolute VINL Input
Voltage
AVSS – 0.3 AVDD/2 V
AD17 R
IN Recommended
Impedance of Analog
Voltage Source
——2.5KΩ 10-bit
ADC Accuracy
AD20
b
N
R Resolution — 10 — bits
AD21
b
INL Integral Nonlinearity — ±1 ±2 LSb V
INL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD22
b
DNL Differential Nonlinearity — ±1 ±1.5 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD23
b
G
ERR Gain Error — ±1 ±3 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD24
b
EOFF Offset Error — ±1 ±2 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD25
b
Monotonicity
(1)
— — — — Guaranteed
Note 1: The ADC conversion result never decreases with an increase in the input voltage and has no missing codes.
2: Measurements taken with external V
REF+ and VREF- used as the ADC voltage reference.