Microchip Technology MCP1630DM-DDBS1 データシート
PIC12F683
DS41211D-page 134
©
2007 Microchip Technology Inc.
TABLE 15-10: PIC12F683 A/D CONVERSION REQUIREMENTS
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
AD130* T
AD
A/D Clock Period
1.6
—
9.0
μ
s
T
OSC
-based, V
REF
≥
3.0V
3.0
—
9.0
μ
s
T
OSC
-based, V
REF
full range
A/D Internal RC
Oscillator Period
Oscillator Period
3.0
6.0
9.0
μ
s
ADCS<1:0> =
11
(ADRC mode)
At V
DD
= 2.5V
1.6
4.0
6.0
μ
s
At V
DD
= 5.0V
AD131
T
CNV
Conversion Time
(not including
Acquisition Time)
(not including
Acquisition Time)
(1)
—
11
—
T
AD
Set GO/DONE bit to new data in A/D
Result register.
Result register.
AD132* T
ACQ
Acquisition Time
11.5
—
μ
s
AD133* T
AMP
Amplifier Settling Time
—
—
5
μ
s
AD134
T
GO
Q4 to A/D Clock Start
—
—
T
OSC
/2
T
OSC
/2 + T
CY
—
—
—
—
If the A/D clock source is selected as
RC, a time of T
RC, a time of T
CY
is added before the
A/D clock starts. This allows the
SLEEP
instruction to be executed.
*
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:
ADRESH and ADRESL registers may be read on the following T
CY
cycle.
2:
See Section 9.3 “A/D Acquisition Requirements” for minimum conditions.