Microchip Technology AC164139 Data Sheet

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 2010 Microchip Technology Inc.
DS39969B-page 385
PIC24FJ256DA210 FAMILY
TABLE 30-20: ADC CONVERSION TIMING REQUIREMENTS
(1)
 
AC CHARACTERISTICS
Standard Operating Conditions: 2.2V to 3.6V
(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
ADC Clock Period
75
ns
T
CY
 = 75 ns, AD1CON3 
in default state
AD51
t
RC
ADC 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
Clock Parameters
AD61
t
PSS
Sample Start Delay from Setting 
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.