Microchip Technology Microstick for the 3V PIC24F K-series DM240013-1 DM240013-1 Data Sheet
Product codes
DM240013-1
2011 Microchip Technology Inc.
DS31037B-page 223
PIC24F16KL402 FAMILY
TABLE 26-36: A/D CONVERSION TIMING REQUIREMENTS
(
)
AC CHARACTERISTICS
Standard Operating Conditions: 1.8V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
Param
No.
Symbol
Characteristic
Min.
Typ
Max.
Units
Conditions
Clock Parameters
AD50
T
AD
A/D Clock Period
75
—
—
ns
T
CY
= 75 ns, AD1CON3
in default state
AD51
T
RC
A/D Internal RC Oscillator Period
—
250
—
ns
Conversion Rate
AD55
T
CONV
Conversion Time
—
12
—
T
AD
AD56
F
CNV
Throughput Rate
—
—
500
ksps
AV
DD
2.7V
AD57
T
SAMP
Sample Time
—
1
—
T
AD
AD58
T
ACQ
Acquisition Time
750
—
—
ns
(Note
)
AD59
T
SWC
Switching Time from Convert to
Sample
Sample
—
—
AD60
T
DIS
Discharge Time
0.5
—
—
T
AD
Clock Parameters
AD61
T
PSS
Sample Start Delay from setting
Sample bit (SAMP)
Sample bit (SAMP)
2
—
3
T
AD
Note 1:
Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.
performance, especially at elevated temperatures.
2:
The time for the holding capacitor to acquire the “New” input voltage when the voltage changes full scale
after the conversion (V
after the conversion (V
DD
to V
SS
or V
SS
to V
DD
).
3:
On the following cycle of the device clock.