Datasheet

PIC24FJ256GB110 FAMILY
DS39897C-page 326  2009 Microchip Technology Inc.
TABLE 29-19: ADC CONVERSION TIMING REQUIREMENTS
(1)
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V 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 TCY = 75 ns, AD1CON3
in default state
AD51 t
RC ADC Internal RC Oscillator
Period
— 250 — ns
Conversion Rate
AD55 tCONV Conversion Time — 12 — TAD
AD56 FCNV Throughput Rate — — 500 ksps AVDD > 2.7V
AD57 tSAMP Sample Time — 1 — TAD
Clock Parameters
AD61 t
PSS Sample Start Delay from setting
Sample bit (SAMP)
2—3TAD
Note 1: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.