PIC18F6390 Datasheet, PDF (387/412 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F6390/6490/8390/8490
TABLE 26-23: A/D CONVERTER CHARACTERISTICS: PIC18F2220/2320/4220/4320 (INDUSTRIAL)
PIC18LF2220/2320/4220/4320 (INDUSTRIAL)
Param
No.
Symbol
Characteristic
Min
Typ
Max Units
Conditions
A01 NR
Resolution
—
—
10
bit ∆VREF ≥ 3.0V
A03 EIL
Integral Linearity Error
—
—
<±1
LSb ∆VREF ≥ 3.0V
A04 EDL Differential Linearity Error
—
—
<±1
LSb ∆VREF ≥ 3.0V
A06 EOFF Offset Error
—
—
<±1
LSb ∆VREF ≥ 3.0V
A07 EGN
A10 —
Gain Error
Monotonicity
—
—
<±1
Guaranteed⁽¹⁾
LSb ∆VREF ≥ 3.0V
—
A20 ∆VREF Reference Voltage Range
(VREFH – VREFL)
3
— AVDD – AVSS V For 10-bit resolution
A21 VREFH Reference Voltage High
AVSS + 3.0V — AVDD + 0.3V V For 10-bit resolution
A22 VREFL Reference Voltage Low
AVSS – 0.3V — AVDD – 3.0V V For 10-bit resolution
A25 VAIN Analog Input Voltage
VREFL
—
VREFH
V
A30 ZAIN Recommended Impedance of
—
—
2.5
kΩ
Analog Voltage Source
A50 IREF VREF Input Current (Note 2)
—
—
±5
µA During VAIN acquisition.
—
—
±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.
 2004 Microchip Technology Inc.
Preliminary
DS39629B-page 385