Datasheet

Table Of Contents
PIC24FV32KA304 FAMILY
DS30009995E-page 208 2011-2017 Microchip Technology Inc.
FIGURE 22-1: 12-BIT A/D CONVERTER BLOCK DIAGRAM
Comparator
12-Bit SAR
V
REF
+
DAC
AN14
AN15
AN8
AN9
AN4
AN5
AN6
AN7
AN0
AN1
AN2
AN3
V
REF
-
Sample Control
S/H
AV
SS
AV
DD
ADC1BUF0:
ADC1BUF17
AD1CON1
AD1CON2
AD1CON3
AD1CHS
AD1CHITL
AD1CHITH
Control Logic
Data Formatting
Input MUX Control
Conversion Control
Pin Config. Control
Internal
16
V
R
+V
R
-
MUX A
V
INH
V
INL
V
INH
V
INH
V
INL
V
INL
V
R
+
V
R
-
V
R
Select
CTMU
V
BG
AD1CSSL
AD1CSSH
AV
DD
0.215 * V
DD
AV
SS
0.785 * V
DD
AD1CON5
CTMU
V
BG
Tem p. S e ns o r
Data Bus
MUX B
Conversion Logic