PIC32MX1XX/2XX/5XX 64/100-PIN FAMILY
TABLE 31-36: ANALOG-TO-DIGITAL CONVERSION TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions (see Note 4): 2.5V to 3.6V
(unless otherwise stated)
Operating temperature -40°C TA +85°C for Industrial
-40°C TA +105°C for V-temp
Param.
No.
Symbol
Characteristics
Min. Typical(1) Max. Units
Conditions
Clock Parameters
AD50 TAD
ADC Clock Period(2)
65
—
—
ns See Table 31-35
Conversion Rate
AD55 TCONV Conversion Time
AD56 FCNV
Throughput Rate
(Sampling Speed)
AD57 TSAMP Sample Time
—
—
—
1 TAD
12 TAD
—
—
—
—
1000
400
—
—
ksps
ksps
—
—
AVDD = 3.0V to 3.6V
AVDD = 2.5V to 3.6V
TSAMP must be 132 ns
Timing Parameters
AD60 TPCS
Conversion Start from Sample
Trigger(3)
—
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
AD62 TCSS Conversion Completion to
—
0.5 TAD
—
—
—
Sample Start (ASAM = 1)(3)
AD63 TDPU
Time to Stabilize Analog Stage
—
—
2
s
—
from ADC Off to ADC On(3)
Note 1:
2:
3:
4:
These parameters are characterized, but not tested in manufacturing.
Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures.
Characterized by design but not tested.
The ADC module is functional at VBORMIN < VDD < 2.5V, but with degraded performance. Unless otherwise
stated, module functionality is tested, but not characterized.
DS60001290E-page 344
2014-2017 Microchip Technology Inc.