Datasheet

© 2009 Microchip Technology Inc. DS70286C-page 289
dsPIC33FJXXXGPX06/X08/X10
TABLE 25-37: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +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 3.0
— 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 + 2.7 — AVDD V See Note 2
AD05a 3.0 — 3.6 V V
REFH = AVDD
VREFL = AVSS = 0
AD06 V
REFL Reference Voltage Low AVSS —AVDD - 2.7 V See Note 2
AD06a 0 — 0 V V
REFH = AVDD
VREFL = AVSS = 0
AD07 V
REF Absolute Reference
Voltage
3.0 — 3.6 V VREF = VREFH - VREFL
AD08 IREF Current Drain —
—
250
—
550
1
μΑ
μΑ
ADC operating, see Note 2
ADC off, see Note 2
AD08a I
AD Operating Current —
—
7.0
2.7
9.0
3.2
mA
mA
10-bit ADC mode, See Note 3
12-bit ADC mode, See Note 3
Analog Input
AD12 V
INH Input Voltage Range
VINH
VINL —VREFH V This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), positive
input. See Note 1
AD13 VINL Input Voltage Range
V
INL
VREFL —AVSS + 1V V This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), negative
input. See Note 1
AD17 R
IN Recommended Imped-
ance of Analog Voltage
Source
— — 200
200
Ω
Ω
10-bit
12-bit
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
2: These parameters are not characterized or tested in manufacturing.
3: These parameters are characterized; but are not tested in manufacturing.