Microchip Technology TDGL002 - chipKIT Uno32 Development Board TDGL002 TDGL002 Data Sheet
Product codes
TDGL002
PIC32MX3XX/4XX
DS61143H-page 182
© 2011 Microchip Technology Inc.
TABLE 29-36: ANALOG-TO-DIGITAL CONVERSION TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
≤ T
A
≤ +85°C for Industrial
-40°C
≤ T
A
≤ +105°C for V-Temp
Param.
No.
Symbol
Characteristics
Min.
Typical
(1)
Max.
Units
Conditions
Clock Parameters
AD50
T
AD
Analog-to-Digital Clock Period
65
—
—
ns
See
and
Note 2
AD51
TRC
Analog-to-Digital Internal RC
Oscillator Period
Oscillator Period
—
250
—
ns
See Note 3
Conversion Rate
AD55
TCONV
Conversion Time
—
12 T
AD
—
—
—
AD56
F
CNV
Throughput Rate
(Sampling Speed)
(Sampling Speed)
—
—
1000
KSPS
AV
DD
= 3.0V to 3.6V
—
—
400
KSPS
AV
DD
= 2.5V to 3.6V
AD57
T
SAMP
Sample Time
1 T
AD
—
—
—
T
SAMP
must be
≥ 132
ns.
Timing Parameters
AD60
TPCS
Conversion Start from Sample
Trigger
Trigger
—
1.0 T
AD
—
—
Auto-Convert Trigger
(SSRC<2:0> = 111)
not selected.
See Note 3
(SSRC<2:0> = 111)
not selected.
See Note 3
AD61
TPSS
Sample Start from Setting
Sample (SAMP) bit
Sample (SAMP) bit
0.5 T
AD
—
1.5 T
AD
—
—
AD62
TCSS
Conversion Completion to
Sample Start (ASAM = 1)
Sample Start (ASAM = 1)
—
0.5 T
AD
—
—
See Note 3
AD63
TDPU
Time to Stabilize Analog Stage
from Analog-to-Digital OFF to
Analog-to-Digital ON
from Analog-to-Digital OFF to
Analog-to-Digital ON
—
—
2
μs
See Note 3
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.
performance, especially at elevated temperatures.
3:
Characterized by design but not tested.