Datasheet

PIC16F716
DS41206B-page 44 © 2007 Microchip Technology Inc.
FIGURE 7-2: ANALOG INPUT MODEL
FIGURE 7-3: ADC TRANSFER FUNCTION
CPIN
VA
Rs
ANx
5 pF
V
DD
VT = 0.6V
V
T = 0.6V
I
LEAKAGE
(1)
RIC ≤ 1k
Sampling
Switch
SS
Rss
CHOLD = 10 pF
V
SS
6V
Sampling Switch
5V
4V
3V
2V
567891011
(kΩ)
V
DD
Legend: CPIN
VT
I LEAKAGE
RIC
SS
C
HOLD
= Input Capacitance
= Threshold Voltage
= Leakage current at the pin due to
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance
various junctions
RSS
Note 1: See Section 12.0 “Electrical Characteristics”.
FFh
FEh
ADC Output Code
FDh
FCh
04h
03h
02h
01h
00h
Full-Scale
FBh
1 LSB ideal
VSS
Zero-Scale
Transition
V
DD/VREF+
Transition
1 LSB ideal
Full-Scale Range
Analog Input Voltage