Datasheet

 2013-2015 Microchip Technology Inc. DS40001723D-page 141
PIC12(L)F1571/2
FIGURE 15-5: ANALOG INPUT MODEL
FIGURE 15-6: ADC TRANSFER FUNCTION
VDD
Analog
Input pin
CPIN
5pF
VT § 0.6V
V
T § 0.6V
ILEAKAGE
(1)
RIC  1K
Legend: CHOLD = Sample/Hold Capacitance
C
PIN = Input Capacitance
I
LEAKAGE = Leakage Current at the pin due to varies injunctions
R
IC = Interconnect Resistance
R
SS = Resistance of Sampling switch
SS = Sampling Switch
V
T = Threshold Voltage
VA
RS RSS
SS
Sampling
switch
C
HOLD = 12.5 pF
Ref-
567891011
2V
3V
4V
5V
6V
V
DD RSS
Sampling Switch
(k )
Rev. 10-000070B
8/5/2014
Note 1: Refer to Section 26.0 “Electrical Specifications”.
3FFh
3FEh
ADC Output Code
3FDh
3FCh
03h
02h
01h
00h
Full-Scale
3FBh
0.5 LSB
Ref-
Zero-Scale
Transition
Ref+
Transition
1.5 LSB
Full-Scale Range
Analog Input Voltage