70291E Datasheet, PDF (385/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
TABLE 31-43: 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
-40°C ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic
Min.
Typ
Max. Units
Conditions
Device Supply
AD01 AVDD Module VDD Supply
Greater of — Lesser of V
VDD – 0.3
VDD + 0.3
or 3.0
or 3.6
AD02 AVSS Module VSS Supply
VSS – 0.3 — VSS + 0.3 V
Reference Inputs
AD05 VREFH Reference Voltage High AVSS + 2.5 —
AVDD
V
AD05a
3.0
—
3.6
V
AD06 VREFL Reference Voltage Low
AD06a
AVSS
0
— AVDD – 2.5 V
—
0
V
AD07 VREF
AD08 IREF
AD09 IAD
Absolute Reference
Voltage
Current Drain
Operating Current
2.5
—
3.6
V
—
—
10
μA
—
7.0
9.0
mA
—
2.7
3.2
mA
Analog Input
AD12 VINH Input Voltage Range VINH VINL
—
VREFH
V
AD13 VINL
Input Voltage Range VINL VREFL
— AVSS + 1V V
AD17 RIN
Recommended Imped-
ance of Analog Voltage
Source
—
—
200
Ω
—
—
200
Ω
Note 1: These parameters are not characterized or tested in manufacturing.
—
—
VREFH = AVDD
VREFL = AVSS = 0
VREFH = AVDD
VREFL = AVSS = 0
VREF = VREFH - VREFL
ADC off
ADC operating in 10-bit
mode, see Note 1
ADC operating in 12-bit
mode, see Note 1
This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), positive
input
This voltage reflects Sample
and Hold Channels 0, 1, 2,
and 3 (CH0-CH3), negative
input
10-bit ADC
12-bit ADC
© 2011 Microchip Technology Inc.
DS70291E-page 385