Microchip Technology MA160014 Data Sheet
PIC18(L)F2X/4XK22
DS41412F-page 346
2010-2012 Microchip Technology Inc.
FIGURE 22-1:
DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
FIGURE 22-2:
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
32-t
o
-1 MUX
DACR<4:0>
R
V
REF
-
DACNSS
R
R
R
R
R
R
32
DAC Output
DACOUT
5
(to Comparators and
ADC Modules)
DACOE
V
DD
V
REF
+
DACPSS<1:0>
2
DACEN
Steps
Digital-to-Analog Converter (DAC)
FVR BUF1
R
V
SRC
-
V
SRC
+
V
SS
DACLPS
11111
11110
00001
00000
1
0
Reserved
11
10
01
00
DACOUT
Buffered DAC Output
+
–
–
DAC
Module
Module
Voltage
Reference
Output
Impedance
R
PIC
®
MCU