Datasheet

PIC18(L)F1XK22
DS40001365F-page 234  2009-2016 Microchip Technology Inc.
FIGURE 21-1: DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
FIGURE 21-2: VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
32-to-1 MUX
DAC1R<4:0>
R
VREF-
D1NSS
R
R
R
R
R
R
32
DAC Output
CVREF/DAC1OUT
5
(to Comparators and
ADC Modules)
DAC1OE
VDD
VREF+
D1PSS<1:0>
2
D1EN
Steps
Digital-to-Analog Converter (DAC)
FVR1BUF1
R
VSRC-
V
SRC+
VSS
D1LPS
11111
11110
00001
00000
1
0
Reserved 11
10
01
00
DAC1OUT
Buffered DAC Output
+
–
DAC
Module
Voltage
Reference
Output
Impedance
R
PIC
®
MCU