Datasheet

Table Of Contents
2011-2013 Microchip Technology Inc. DS40001609C-page 147
PIC16(L)F1508/9
FIGURE 15-4: ANALOG INPUT MODEL
FIGURE 15-5: ADC TRANSFER FUNCTION
V
DD
Analog
Input pin
CPIN
5pF
V
T
§ 0.6V
V
T
§ 0.6V
ILEAKAGE
(1)
R
IC
1
K
Legend: C
HOLD
= 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
R
S
R
SS
SS
Sampling
switch
C
HOLD = 10 pF
Ref-
567891011
2V
3V
4V
5V
6V
V
DD RSS
Sampling Switch
(k )
Rev. 10-000070A
8/2/2013
Note 1: Refer to Section 29.0 “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