Datasheet

PIC16(L)F1782/3
DS41579D-page 170 Preliminary  2011-2012 Microchip Technology Inc.
FIGURE 19-1: DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
FIGURE 19-2: VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
32-to-1 MUX
DACR<7:0>
R
VREF-
DACNSS
R
R
R
R
R
R
256
DAC_Output
DACOUT1
8
(To Comparator and
ADC Modules)
DACOE1
VDD
VREF+
DACPSS<1:0>
2
DACEN
Steps
Digital-to-Analog Converter (DAC)
FVR BUFFER2
R
VSOURCE-
VSOURCE+
VSS
DACOUT2
DACOE2
DACOUTX
Buffered DAC Output
+
–
DAC
Module
Voltage
Reference
Output
Impedance
R
PIC
®
MCU