PIC24FJ64GA705 Datasheet, PDF (374/412 Pages) –

PIC24FJ256GA705 FAMILY
TABLE 32-25: A/D CONVERSION TIMING REQUIREMENTS⁽¹⁾
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V to 3.6V (unless otherwise stated)
Operating temperature
-40°C  TA  +85°C for Industrial
Param
No.
Symbol
Characteristic
Min. Typ Max. Units
Conditions
Clock Parameters
AD50 TAD
A/D Clock Period
278
—
—
ns
AD51 tRC
A/D Internal RC Oscillator
—
250
—
ns
Period
AD55 tCONV
AD55A
AD56 FCNV
AD57 tSAMP
SAR Conversion Time,
12-Bit Mode
SAR Conversion Time,
10-Bit Mode is Typical
12 TAD
Throughput Rate
Sample Time
Conversion Rate
—
14
—
TAD
—
12
—
TAD
—
—
200
ksps AVDD > 2.7V⁽²⁾
—
1
—
TAD
Clock Synchronization
AD61 tPSS
Sample Start Delay from
1.5
Setting Sample bit (SAMP)
—
2.5
TAD
Note 1: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.
2: Throughput rate is based on AD55 + AD57 + AD61 and the period of TAD.
DS30010118B-page 374
 2016 Microchip Technology Inc.