PIC32MX320F032H_11 Datasheet, PDF (179/214 Pages) Microchip Technology – High-Performance, General Purpose and USB, 32-bit Flash Microcontrollers

PIC32MX3XX/4XX
TABLE 29-34: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤TA ≤+85°C for Industrial
-40°C ≤TA ≤+105°C for V-Temp
Param.
No.
Symbol
Characteristics
Min.
Typical Max. Units
Conditions
Device Supply
AD01 AVDD
Module VDD Supply
Greater of
— Lesser of V
VDD – 0.3
VDD + 0.3
—
or 2.5
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 (Note 1)
AD05a
2.5
—
3.6
V VREFH = AVDD (Note 3)
AD06 VREFL
Reference Voltage Low
AVSS
—
VREFH – V (Note 1)
2.0
AD07 VREF
Absolute Reference
Voltage
(VREFH – VREFL)
2.0
—
AVDD
V (Note 3)
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
—
AD13 VINL
Absolute VINL Input
AVSS – 0.3
—
AVDD/2 V
—
Voltage
AD14 VIN
Absolute Input Voltage AVSS – 0.3
—
AVDD + V
—
0.3
AD15
— 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
—
5K
Ω (Note 1)
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
(Note 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
Note 1:
2:
3:
4:
These parameters are not characterized or tested in manufacturing.
With no missing codes.
These parameters are characterized, but not tested in manufacturing.
Characterized with 1 kHz sinewave.
© 2011 Microchip Technology Inc.
DS61143H-page 179