PIC32MX1XX Datasheet, PDF (274/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
TABLE 29-32: 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
-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 – 2.0 V (Note 1)
AD07 VREF
Absolute Reference
2.0
Voltage (VREFH – VREFL)
—
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 + 0.3 V
—
AD15
Leakage Current
—
+/- 0.001 +/-0.610 μA VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
Source Impedance = 10 kΩ
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
—
<1
LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
AD22c DNL
Differential Nonlinearity
> -1
—
<1
LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
(Note 2)
AD23c GERR
Gain Error
> -1
—
<1
LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.3V
AD24n EOFF
Offset Error
> -1
—
<1
LSb VINL = AVSS = 0V,
AVDD = 3.3V
AD25c
— Monotonicity
—
—
—
— Guaranteed
Note 1: These parameters are not characterized or tested in manufacturing.
2: With no missing codes.
3: These parameters are characterized, but not tested in manufacturing.
4: Characterized with a 1 kHz sine wave.
DS61168D-page 274
Preliminary
© 2011-2012 Microchip Technology Inc.