Datasheet

 2005-2012 Microchip Technology Inc. DS39747F-page 231
PIC24FJ128GA010 FAMILY
TABLE 27-22: A/D MODULE SPECIFICATIONS
AC CHARACTERISTICS Standard Operating Conditions: 2.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C  T
A  +85°C
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV
DD Module VDD Supply Greater of
V
DD – 0.3
or 2.0
— Lesser of
VDD + 0.3
or 3.6
V
AD02 AV
SS 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 V
REF Absolute Reference
Voltage
AVSS – 0.3 — AVDD + 0.3 V
AD08 IV
REF Reference Voltage Input
Current
——1.25mA
AD09 ZV
REF Reference Input
Impedance
—10K—
Analog Input
AD10 V
INH-VINL Full-Scale Input Span
(2)
VREFL VREFH V
AD11 V
IN Absolute Input Voltage AVSS – 0.3 AVDD + 0.3 V
AD12 — Leakage Current — ±0.001 ±0.610 AVINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 5V,
Source Impedance = 2.5 k
AD14 V
INL Absolute VINL Input Voltage AVSS – 0.3 AVDD/2 V
AD17 RIN Recommended
Impedance of Analog Voltage
— — 2.5K
A/D Accuracy
AD20a Nr Resolution 10 data bits bits
AD21a INL Integral Nonlinearity
(2)
—+1<±2LSbVINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD22a DNL Differential Nonlinearity
(2)
—+0.5 <±1 LSb VINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD23a G
ERR Gain Error
(2)
—+1±3LSbVINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD24a EOFF Offset Error
(2)
—+1±2LSbVINL = AVSS = VREFL = 0V,
AV
DD = VREFH = 3V
AD25a — Monotonicity
(1)
— — — — Guaranteed
Note 1: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
2: Measurements are taken with external V
REF+ and VREF- used as the A/D voltage reference.