PIC24HJ128GP206-I Datasheet, PDF (269/286 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJXXXGPX06/X08/X10
TABLE 23-38: ADC CONVERSION (12-BIT MODE) TIMING REQUIREMENTS)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C
Param
No.
Symbol
Characteristic
Min. Typ⁽¹⁾ Max. Units
Conditions
AD50a TAD
A/D Clock Period⁽¹⁾
Clock Parameters
117.6 —
—
ns
AD51a tRC
A/D Internal RC Oscillator
—
250
—
ns
—
Period
Conversion Rate
AD55a tCONV Conversion Time
— 14 TAD
ns
—
AD56a FCNV
Throughput Rate
—
—
500 KSPS
—
AD57a TSAMP Sample Time
3 TAD
—
—
ns
—
Timing Parameters
AD60a tPCS
Conversion Start from Sample
Trigger⁽¹⁾
— 1.0 TAD —
—
Auto-Convert Trigger
(SSRC<2:0> = 111) not
selected
AD61a tPSS
Sample Start from Setting
0.5 TAD — 1.5 TAD —
—
Sample (SAMP) bit⁽¹⁾
AD62a tCSS
Conversion Completion to
— 0.5 TAD —
—
—
Sample Start (ASAM = 1)⁽¹⁾
AD63a tDPU
Time to Stabilize Analog Stage
1
—
5
μs
—
from A/D Off to A/D On⁽¹⁾
Note 1: These parameters are characterized but not tested in manufacturing.
2: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.
© 2007 Microchip Technology Inc.
DS70175F-page 267