PIC16F88

Manufacturer Part NumberPIC16F88
ManufacturerMicrochip Technology Inc.
PIC16F88 datasheet
 
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Page 192/228:

A/D CONVERTER CHARACTERISTICS: (INDUSTRIAL, EXTENDED)

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PIC16F87/88
TABLE 18-13: A/D CONVERTER CHARACTERISTICS: PIC16F87/88 (INDUSTRIAL, EXTENDED)
Param
Sym
Characteristic
No.
A01
N
Resolution
R
A03
E
Integral Linearity Error
IL
A04
E
Differential Linearity Error
DL
A06
E
Offset Error
OFF
A07
E
Gain Error
GN
A10
Monotonicity
A20
V
Reference Voltage
REF
(V
+ – V
-)
REF
REF
A21
V
+ Reference Voltage High
REF
A22
V
- Reference Voltage Low
REF
A25
V
Analog Input Voltage
AIN
A30
Z
Recommended Impedance of
AIN
Analog Voltage Source
A40
I
A/D Conversion
PIC16F87/88
AD
Current (V
)
DD
PIC16LF87/88
A50
I
V
Input Current (Note 2)
REF
REF
*
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 specification
includes any such leakage from the A/D module.
2:
V
current is from RA3 pin or V
REF
3:
The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
4:
Maximum allowed impedance for analog voltage source is 10 k
DS30487C-page 190
PIC16LF87/88 (INDUSTRIAL)
Min
Typ†
Max
10-bit
<±1
<±1
<±2
<±1
(3)
guaranteed
2.0
V
+ 0.3
DD
AV
– 2.5V
AV
+ 0.3V
DD
DD
AV
– 0.3V
V
+ – 2.0V
SS
REF
V
– 0.3V
V
+ 0.3V
SS
REF
2.5
220
90
5
150
pin, whichever is selected as reference input.
DD
This requires higher acquisition time.
Units
Conditions
bit
V
= V
= 5.12V,
REF
DD
V
V
V
SS
AIN
REF
LSb
V
= V
= 5.12V,
REF
DD
V
V
V
SS
AIN
REF
LSb
V
= V
= 5.12V,
REF
DD
V
V
V
SS
AIN
REF
LSb
V
= V
= 5.12V,
REF
DD
V
V
V
SS
AIN
REF
LSb
V
= V
= 5.12V,
REF
DD
V
V
V
SS
AIN
REF
V
V
V
SS
AIN
REF
V
V
V
V
k
(Note 4)
A
Average current
consumption when A/D is on
A
(Note 1)
A
During V
acquisition.
AIN
Based on differential of V
HOLD
to V
to charge C
,
AIN
HOLD
see Section 12.1 “A/D
Acquisition Requirements”.
A
During A/D conversion cycle
 2005 Microchip Technology Inc.