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PIC18F258-E/LSQTP Datasheet(PDF) 360 Page - Microchip Technology

Part # PIC18F258-E/LSQTP
Description  28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
PDF  402 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F258-E/LSQTP Datasheet(HTML) 360 Page - Microchip Technology

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PIC18FXX8
DS41159E-page 358
© 2006 Microchip Technology Inc.
TABLE 27-23: A/D CONVERTER CHARACTERISTICS: PIC18FXX8 (INDUSTRIAL, EXTENDED)
PIC18LFXX8 (INDUSTRIAL)
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
A01
NR
Resolution
—
—
10
bit
VREF = VDD
≥ 3.0V
A03
EIL
Integral Linearity Error
—
—
<±1
LSb VREF = VDD
≥ 3.0V
A04
EDL
Differential Linearity Error
—
—
<±1
LSb VREF = VDD
≥ 3.0V
A05
EFS
Full Scale Error
—
—
<±1
LSb VREF = VDD
≥ 3.0V
A06
EOFF
Offset Error
—
—
<±1.5
LSb VREF = VDD
≥ 3.0V
A10
—
Monotonicity(3)
guaranteed
—
VSS
≤ VAIN ≤ VREF
A20
VREF
Reference Voltage
(VREFH – VREFL)
0V
—
—
V
A20A
3V
—
—
V
For 10-bit resolution
A21
VREFH
Reference Voltage High
VSS
—VDD + 0.3V
V
A22
VREFL
Reference Voltage Low
VSS – 0.3V
—
VDD
V
A25
VAIN
Analog Input Voltage
VSS – 0.3V
—
VREF + 0.3V
V
A30
ZAIN
Recommended Impedance of
Analog Voltage Source
—
—
10.0
k
Ω
A40
IAD
A/D Conversion
Current (VDD)
PIC18FXX8
—
180
—
μA Average current
consumption when
A/D is on (Note 1)
PIC18LFXX8
—
90
—
μA
A50
IREF
VREF Input Current (Note 2)
0
—
—
—
5
150
μA
μA
During VAIN acquisition.
Based on differential of
VHOLD to VAIN. To
charge CHOLD.
During A/D conversion
cycle.
Note 1:
When A/D is off, it will not consume any current other than minor leakage current. The power-down current
specification includes any such leakage from the A/D module.
VREF current is from RA2/AN2/VREF- and RA3/AN3/VREF+ pins or VDD and VSS pins, whichever is selected
as reference input.
2:
VSS
≤ VAIN ≤ VREF
3:
The A/D conversion result never decreases with an increase in the input voltage and has no missing
codes.



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