Datasheet

 2006-2015 Microchip Technology Inc. DS40001291H-page 267
PIC16F882/883/884/886/887
FIGURE 17-20: HFINTOSC FREQUENCY ACCURACY OVER DEVICE VDD AND TEMPERATURE
TABLE 17-18: ADC CLOCK PERIOD (T
AD) VS. DEVICE OPERATING FREQUENCIES (VDD > 3.0V,
V
REF > 2.5V)
ADC Clock Period (TAD) Device Frequency (FOSC)
ADC Clock Source ADCS<2:0> 20 MHz 8 MHz 4 MHz 1 MHz
Fosc/2 000
100 ns 250 ns 500 ns 2.0 s
Fosc/8 001 400 ns 1.0 s2.0 s 8.0 s
Fosc/32 010 1.6 s4.0 s 8.0 s 32.0 s
Frc x11 2-6 s2-6 s2-6 s2-6 s
Legend: Shaded cells should not be used for conversions at temperatures above +125°C.
Note 1: T
AD must be between 1.6 s and 6.0 s.
125
25
2.1
0
60
85
VDD (V)
4.0 5.04.5
Temperature (°C)
2.5 3.0 3.5 5.5
± 1%
± 2%
± 5%
150
-40
± 6%