pic32mx320f032h Microchip Technology Inc., pic32mx320f032h Datasheet - Page 151

• Manufacturer Part Number: pic32mx320f032h
• Description: 64/100-pin General Purpose And Usb 32-bit Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

TABLE 28-36: A/D CONVERSION TIMING REQUIREMENTS
© 2009 Microchip Technology Inc.
AC CHARACTERISTICS
Param.
Clock Parameters
AD50
AD51
Conversion Rate
AD55
AD56
AD57
Timing Parameters
AD60
AD61
AD62
AD63
Note 1:
No.
2:
3:
T
TRC
TCONV
F
T
TPCS
TPSS
TCSS
TDPU
Symbol
AD
SAMP
CNV
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.
A/D Clock Period (Note 2)
A/D Internal RC Oscillator Period
Conversion Time
Throughput Rate
(Sampling Speed)
Sample Time
Conversion Start from Sample
Trigger
Sample Start from Setting
Sample (SAMP) bit
Conversion Completion to
Sample Start (ASAM = 1 )
(Note 3)
Time to Stabilize Analog Stage
from A/D OFF to A/D ON
(Note 3)
(3)
Characteristics
Preliminary
Standard Operating Conditions: 2.5V to 3.6V
(unless otherwise stated)
Operating temperature
0.5 T
Min.
65
—
—
—
—
—
—
—
1
AD
Typical
1.0 T
0.5 T
12 T
250
—
—
—
—
—
—
AD
AD
AD
PIC32MX3XX/4XX
(1)
1.5 T
Max.
1000
400
—
31
—
—
—
—
2
-40°C ≤ T
AD
KSPS
KSPS
Units
nsec
nsec
T
—
—
—
—
μ s
AD
A
≤ +85°C for Industrial
See Table 28-35.
(Note 3)
T
nsec.
Auto-Convert Trigger
(SSRC<2:0> = 111 )
not selected.
AV
AV
SAMP
DD
DD
DS61143F-page 149
Conditions
must be ≥ 132
= 3.0V to 3.6V
= 2.5V to 3.6V
—
—
—
—