1998-2013 Microchip Technology Inc.
Preliminary
DS35008C-page 101
PIC16C62B/72A
TABLE 13-13: A/D CONVERTER CHARACTERISTICS:
PIC16C72A-04 (COMMERCIAL, INDUSTRIAL, EXTENDED)
PIC16C72A-20 (COMMERCIAL, INDUSTRIAL, EXTENDED)
PIC16LC72A-04 (COMMERCIAL, INDUSTRIAL)
Param
No.
Sym
Characteristic
Min
Typ†
Max
Units
Conditions
A01
N
R
Resolution
—
—
8-bits
bit
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A02
E
ABS
Total Absolute error
—
—
< ± 1
LSB
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A03
E
IL
Integral linearity error
—
—
< ± 1
LSB
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A04
E
DL
Differential linearity error
—
—
< ± 1
LSB
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A05
E
FS
Full scale error
—
—
< ± 1
LSB
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A06
E
OFF
Offset error
—
—
< ± 1
LSB
V
REF
= V
DD
= 5.12V,
V
SS
V
AIN
V
REF
A10
—
Monotonicity
—
guaranteed
(Note 3)
—
—
V
SS
V
AIN
V
REF
A20
V
REF
Reference voltage
2.5V
—
V
DD
+ 0.3
V
A25
V
AIN
Analog input voltage
V
SS
- 0.3
—
V
REF
+ 0.3
V
A30
Z
AIN
Recommended impedance of
analog voltage source
—
—
10.0
k
A40
I
AD
A/D conversion
current (V
DD
)
PIC16CXX
—
180
—
A
Average current con-
sumption when A/D is
on. (Note 1)
PIC16LCXX
—
90
—
A
A50
I
REF
V
REF
input current (Note 2)
10
—
—
—
1000
10
A
A
During V
AIN
acquisi-
tion. Based on differ-
ential of V
HOLD
to
V
AIN
to charge
C
HOLD
, see
Section 9.1.
During A/D conver-
sion cycle
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25
C unless otherwise stated. These parameters are for design guidance only and
are not tested.
Note 1:
When A/D is off, it will not consume any current other than minor leakage current.
The power-down current spec includes any such leakage from the A/D module.
2:
V
REF
current is from RA3 pin or V
DD
pin, whichever is selected as reference input.
3:
The A/D conversion result never decreases with an increase in the Input Voltage and has no missing codes.
Summary of Contents for PIC16C62B/72A
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