Datasheet

PIC12(L)F1822/PIC16(L)F1823
DS41413C-page 156  2010-2012 Microchip Technology Inc.
FIGURE 17-1: DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
FIGURE 17-2: VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
32-to-1 MUX
DACR<4:0>
R
R
R
R
R
R
R
32
DAC
DACOUT
5
(To Comparator, CPS and
ADC Modules)
DACOE
VDD
VREF+
DACPSS<1:0>
2
DACEN
Steps
Digital-to-Analog Converter (DAC)
FVR BUFFER2
R
VSOURCE-
VSOURCE+
DACLPS
DACOUT
Buffered DAC Output
+
–
DAC
Module
Voltage
Reference
Output
Impedance
R
PIC
®
MCU