Datasheet

dsPIC33FJ12GP201/202
DS70264E-page 230 © 2007-2011 Microchip Technology Inc.
TABLE 22-38: ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤ T
A ≤ +125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV
DD Module VDD Supply
(2)
Greater of
VDD – 0.3
or 3.0
— Lesser of
VDD + 0.3
or 3.6
V
—
AD02 AVSS Module VSS Supply
(2)
VSS – 0.3 — VSS + 0.3 V —
Reference Inputs
AD05 V
REFH Reference Voltage High AVSS + 2.5 — AVDD V See Note 1
AD05a 3.0 — 3.6 V VREFH = AVDD
VREFL = AVSS = 0, see Note 2
AD06 V
REFL Reference Voltage Low AVSS —AVDD – 2.5 V See Note 1
AD06a 0 — 0 V VREFH = AVDD
VREFL = AVSS = 0, see Note 2
AD07 V
REF Absolute Reference
Voltage
(2)
2.5 — 3.6 V VREF = VREFH - VREFL
AD08 IREF Current Drain —
—
250
—
550
10
μA
μA
ADC operating, See Note 1
ADC off, See Note 1
AD08a IAD Operating Current —
—
7.0
2.7
9.0
3.2
mA
mA
10-bit ADC mode, See Note 2
12-bit ADC mode, See Note 2
Analog Input
AD12 V
INH Input Voltage Range
VINH
(2)
VINL —VREFH V This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), positive
input
AD13 VINL Input Voltage Range
VINL
(2)
VREFL —AVSS + 1V V This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), negative
input
AD17 R
IN Recommended Imped-
ance of Analog Voltage
Source
(3)
—
—
—
—
200
200
Ω
Ω
10-bit ADC
12-bit ADC
Note 1: These parameters are not characterized or tested in manufacturing.
2: These parameters are characterized, but are not tested in manufacturing.
3: These parameters are assured by design, but are not characterized or tested in manufacturing.