Datasheet

© 2008 Microchip Technology Inc. DS41249E-page 87
PIC16F785/HV785
FIGURE 12-4: ANALOG INPUT MODEL
RSS
CPIN
VA
R
S
ANx
5 pF
V
DD
VT = 0.6V
V
T = 0.6V
ILEAKAGE
RIC ≤ 1k
Sampling
Switch
SS
C
HOLD
= DAC capacitance
V
SS
6V
Sampling Switch
5V
4V
3V
2V
567891011
(kΩ)
V
DD
= 10 pF
± 500 nA
RSS
Legend: CPIN = Input Capacitance
V
T = Threshold Voltage
I
LEAKAGE = Leakage current at the pin due to various junctions
R
IC = Interconnect Resistance
SS = Sampling Switch
C
HOLD = Sample/Hold Capacitance (from DAC)