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PIC18F6390_07 Datasheet, PDF (386/414 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC18F6390/6490/8390/8490
TABLE 26-23: A/D CONVERTER CHARACTERISTICS: PIC18F6390/6490/8390/8490 (INDUSTRIAL)
PIC18LF6390/6490/8390/8490 (INDUSTRIAL)
Param
No.
Symbol
Characteristic
Min
Typ
Max Units
Conditions
A01 NR
Resolution
â
â
10
bit ÎVREF ⥠3.0V
A03 EIL
Integral Linearity Error
â
â
<±1
LSb ÎVREF ⥠3.0V
A04 EDL Differential Linearity Error
â
â
<±1
LSb ÎVREF ⥠3.0V
A06 EOFF Offset Error
â
â
<±1
LSb ÎVREF ⥠3.0V
A07 EGN
A10 â
Gain Error
Monotonicity
â
â
<±1
Guaranteed(1)
LSb ÎVREF ⥠3.0V
â
A20 ÎVREF Reference Voltage Range
(VREFH â VREFL)
3
â AVDD â AVSS V For 10-bit resolution
A21 VREFH Reference Voltage High
AVSS + 3.0V â AVDD + 0.3V V For 10-bit resolution
A22 VREFL Reference Voltage Low
AVSS â 0.3V â AVDD â 3.0V V For 10-bit resolution
A25 VAIN Analog Input Voltage
VREFL
â
VREFH
V
A30 ZAIN Recommended Impedance of
â
â
2.5
kΩ
Analog Voltage Source
A50 IREF VREF Input Current (Note 2)
â
â
±5
μA During VAIN acquisition.
â
â
±150
μA During A/D conversion
cycle.
Note 1: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
2: VREFH current is from RA3/AN3/VREF+/SEG17 pin or AVDD, whichever is selected as the VREFH source.
VREFL current is from RA2/AN2/VREF-/SEG16 pin or AVSS, whichever is selected as the VREFL source.
DS39629C-page 384
© 2007 Microchip Technology Inc.
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