Microchip Technology MA240029 データシート
2010-2011 Microchip Technology Inc.
DS39996F-page 375
PIC24FJ128GA310 FAMILY
TABLE 32-26: A/D CONVERSION TIMING REQUIREMENTS
(
)
AC CHARACTERISTICS
Standard Operating Conditions: 2V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C
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
—
14
—
T
AD
AD56
F
CNV
Throughput Rate
—
—
200
ksps
AV
DD
> 2.7V
AD57
t
SAMP
Sample Time
—
1
—
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.