PIC16F716-I-P Datasheet, PDF (46/136 Pages) Microchip Technology – 8-bit Flash-based Microcontroller with A/D Converter and Enhanced Capture/Compare/PWM

PIC16F716
FIGURE 7-2:
ANALOG INPUT MODEL
Rs ^ANx
VDD
VT = 0.6V
RIC ≤ 1k
Sampling
Switch
SS _Rss
VA
CPIN
5 pF
VT = 0.6V
ILEAKAGE⁽¹⁾
CHOLD = 10 pF
VSS
Legend: CPIN
= Input Capacitance
VT
= Threshold Voltage
I LEAKAGE = Leakage current at the pin due to
various junctions
RIC
= Interconnect Resistance
SS
= Sampling Switch
CHOLD = Sample/Hold Capacitance
Note 1: See Section 12.0 “Electrical Characteristics”.
6V
5V
RSS
VDD 4V
3V
2V
5 6 7 8 9 10 11
Sampling Switch
(kΩ)
FIGURE 7-3:
ADC TRANSFER FUNCTION
FFh
FEh
FDh
FCh
FBh
04h
03h
02h
01h
00h
VSS
Full-Scale Range
1 LSB ideal
Zero-Scale
Transition
1 LSB ideal
Full-Scale
Transition
Analog Input Voltage
VDD/VREF+
DS41206B-page 44
© 2007 Microchip Technology Inc.