PIC16F716
FIGURE 7-2:
ANALOG INPUT MODEL
VDD
VT = 0.6V
Sampling
Switch
ANx
SS
RIC ≤ 1k
Rss
Rs
(1)
ILEAKAGE
CPIN
5 pF
VA
CHOLD = 10 pF
VSS
VT = 0.6V
6V
5V
RSS
VDD 4V
3V
Legend: CPIN
= Input Capacitance
= Threshold Voltage
VT
2V
I LEAKAGE = Leakage current at the pin due to
various junctions
RIC
SS
CHOLD
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance
5 6 7 8 9 1011
Sampling Switch
(kΩ)
Note 1: See Section 12.0 “Electrical Characteristics”.
FIGURE 7-3:
ADC TRANSFER FUNCTION
Full-Scale Range
FFh
FEh
FDh
FCh
FBh
1 LSB ideal
Full-Scale
Transition
04h
03h
02h
01h
00h
Analog Input Voltage
1 LSB ideal
Zero-Scale
Transition
VDD/VREF+
VSS
DS41206B-page 44
© 2007 Microchip Technology Inc.