PIC24HJ12GP201 Datasheet, PDF (218/234 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJ12GP201/202
TABLE 21-38: ADC CONVERSION (10-BIT MODE) TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(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⁽¹⁾ Max. Units
Conditions
Clock Parameters⁽²⁾
AD50 TAD
ADC Clock Period
65
—
—
ns
AD51 tRC
ADC Internal RC Oscillator Period —
250
—
ns
Conversion Rate
AD55 tCONV Conversion Time
— 12 TAD —
—
AD56 FCNV Throughput Rate
—
—
1.1 Msps
AD57 TSAMP Sample Time
2 TAD
—
—
—
Timing Parameters
AD60 tPCS
Conversion Start from Sample
Trigger⁽¹⁾
— 1.0 TAD —
— Auto-Convert Trigger
(SSRC<2:0> = 111) not
selected
AD61 tPSS Sample Start from Setting
0.5 TAD — 1.5 TAD —
—
Sample (SAMP) bit⁽¹⁾
AD62 tCSS Conversion Completion to
— 0.5 TAD —
—
—
Sample Start (ASAM = 1)⁽¹⁾
AD63 tDPU Time to Stabilize Analog Stage
1
—
5
μs
—
from ADC Off to ADC 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.
DS70282B-page 216
Preliminary
© 2007 Microchip Technology Inc.