PIC16F753 Datasheet, PDF (122/238 Pages) Microchip Technology – 14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F753/HV753
FIGURE 12-4:
ANALOG INPUT MODEL
RS ^ANx
VDD
VT = 0.6V
Ric  1k
Sampling
Switch
SS _Rss
VA
CPIN
5 pF
Vt = 0.6V
ILEAKAGE
± 500 nA
CHOLD = 10 pF
VSS/VREF-
Legend: CPIN
VT
ILEAKAGE
RIC
SS
CHOLD
= Input Capacitance
= Threshold Voltage
= Leakage current at the pin due to
various junctions
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance
6V
5V
RSS
VDD 4V
3V
2V
5 6 7 8 9 10 11
Sampling Switch
(k)
FIGURE 12-5:
ADC TRANSFER FUNCTION
3FFh
3FEh
3FDh
3FCh
3FBh
004h
003h
002h
001h
000h
VSS/VREF-
Full-Scale Range
1 LSB ideal
Zero-Scale
Transition
1 LSB ideal
Full-Scale
Transition
Analog Input Voltage
VDD/VREF+
DS40001709A-page 122
Preliminary
 2013 Microchip Technology Inc.