Microchip Technology MCP1630DM-DDBS1 数据表
©
2007 Microchip Technology Inc.
DS41211D-page 133
PIC12F683
TABLE 15-9:
PIC12F683 A/D CONVERTER (ADC) CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature
Operating temperature
-40°C
≤
T
A
≤
+125°C
Param
No.
Sym
Characteristic
Min
Typ†
Max
Units
Conditions
AD01
N
R
Resolution
—
—
10 bits
bit
AD02
E
IL
Integral Error
—
—
±
1
LSb V
REF
= 5.12V
AD03
E
DL
Differential Error
—
—
±
1
LSb No missing codes to 10 bits
V
REF
= 5.12V
AD04
E
OFF
Offset Error
—
—
±
1
LSb V
REF
= 5.12V
AD07
E
GN
Gain Error
—
—
±
1
LSb V
REF
= 5.12V
AD06
AD06A
AD06A
V
REF
Reference Voltage
(3)
2.2
2.7
2.7
—
—
V
DD
V
Absolute minimum to ensure 1 LSb
accuracy
accuracy
AD07
V
AIN
Full-Scale Range
V
SS
—
V
REF
V
AD08
Z
AIN
Recommended
Impedance of Analog
Voltage Source
Impedance of Analog
Voltage Source
—
—
10
k
Ω
AD09* I
REF
V
REF
Input Current
(3)
10
—
1000
μ
A
During V
AIN
acquisition.
Based on differential of V
HOLD
to V
AIN
.
—
—
50
μ
A
During A/D conversion cycle.
*
These parameters are characterized but not tested.
† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1:
Total Absolute Error includes integral, differential, offset and gain errors.
2:
The A/D conversion result never decreases with an increase in the input voltage and has no missing
codes.
codes.
3:
ADC V
REF
is from external V
REF
or V
DD
pin, whichever is selected as reference input.
4:
When ADC is off, it will not consume any current other than leakage current. The power-down current
specification includes any such leakage from the ADC module.
specification includes any such leakage from the ADC module.