DSPIC30F6014A-30IPT Datasheet, PDF (215/239 Pages) Microchip Technology – High-Performance, 16-Bit Digital Signal Controllers

dsPIC30F6011A/6012A/6013A/6014A
TABLE 23-39: 12-BIT ADC TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.7V to 5.5V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic
Min. Typ Max. Units
Conditions
Clock Parameters
AD50 TAD
ADC Clock Period
—
334
—
ns VDD = 3-5.5V (Note 1)
AD51 tRC
ADC Internal RC Oscillator Period 1.2
1.5 1.8
μs
—
Conversion Rate
AD55 tCONV Conversion Time
— 14 TAD
ns
—
AD56 FCNV
Throughput Rate
—
200
—
ksps VDD = VREF = 3-5.5V
AD57 TSAMP Sample Time
—
1 TAD —
ns VDD = 3-5.5V
Source resistance
Rs = 0-2.5 kΩ
Timing Parameters
AD60 tPCS
Conversion Start from Sample
—
1 TAD —
ns
—
Trigger
AD61 tPSS
Sample Start from Setting
0.5 TAD —
1.5
ns
—
Sample (SAMP) Bit
TAD
AD62 tCSS
Conversion Completion to
— 0.5 TAD —
ns
—
Sample Start (ASAM = 1)
AD63 tDPU
Time to Stabilize Analog Stage
—
20
—
μs
—
from ADC Off to ADC On
Note 1: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.
© 2006 Microchip Technology Inc.
Preliminary
DS70143C-page 213