PIC16F753 Datasheet, PDF (128/238 Pages) Microchip Technology – 14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F753/HV753
FIGURE 14-1:
DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
OPA1_out
FVR_buffer2
VDD
VREF+
DACPSS<1:0> ₂
DACEN
Digital-to-Analog Converter (DAC)
DACxREFH DACxREFL
VSOURCE+
9-bit Latch
(not visible to user)
write to
DACxREFH
9
R
R
R
R
512
Steps
R
DAC_output
R
R
To Peripherals
DACxOUT1
DACOE1
VSS
VSOURCE-
FIGURE 14-2:
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC^® MCU
DAC
Module
R
Voltage
Reference
Output
Impedance
DACXOUT
+
–
Buffered DAC Output
DS40001709A-page 128
Preliminary
 2013 Microchip Technology Inc.