PIC32MX440F256H-80I Datasheet, PDF (623/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
TABLE 30-34: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param.
No.
Symbol
Characteristics
Min.
Typical Max. Units
Conditions
Device Supply
AD01 AVDD
Module VDD Supply
Greater of
VDD – 0.3
or 2.5
— Lesser of V
VDD + 0.3
or 3.6
AD02 AVSS
Module VSS Supply
VSS
— VSS + 0.3 V
Reference Inputs
AD05 VREFH Reference Voltage High AVSS + 2.0
—
AVDD
V See Note 1
AD05a
2.5
—
3.6
V VREFH = AVDD
AD06 VREFL
Reference Voltage Low
AVSS
—
VREFH – V See Note 1
2.0
AD07 VREF
Absolute Reference
Voltage
(VREFH – VREFL)
2.0
—
AVDD
V
AD08 IREF
Current Drain
—
250
400
μA ADC operating
—
3
μA ADC off
Analog Input
AD12 VINH-VINL Full-Scale Input Span
VREFL
—
VREFH
V
VINL
Absolute VINL Input
Voltage
AVSS – 0.3
AVDD/2 V
VIN
Absolute Input Voltage AVSS – 0.3
AVDD + V
0.3
Leakage Current
—
+/- 0.001 +/-0.610 μA VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
Source Impedance = 10KΩ
AD17 RIN
Recommended
—
Impedance of Analog
Voltage Source
—
10K
Ω
ADC Accuracy – Measurements with External VREF+/VREF-
AD20c Nr
Resolution
10 data bits
bits
AD21c INL
Integral Nonlinearity
—
—
<+/-1 LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
AD22c DNL
Differential Nonlinearity
—
—
<+/-1 LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V⁽²⁾
AD23c GERR
Gain Error
—
—
<+/-1 LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
AD24n EOFF
Offset Error
—
—
<+/-1 LSb VINL = AVSS = 0V,
AVDD = 3.3V
AD25c —
Monotonicity
—
—
—
— Guaranteed
ADC Accuracy – Measurements with Internal VREF+/VREF-
AD20d Nr
Resolution
10 data bits
bits
AD21d INL
Integral Nonlinearity
—
—
<+/-1 LSb VINL = AVSS = 0V,
AVDD = 2.5V to 3.6V
Note 1: These parameters are not characterized or tested in manufacturing.
2: With no missing codes.
© 2008 Microchip Technology Inc.
Preliminary
DS61143E-page 621