dspic33fj128mc204 Microchip Technology Inc., dspic33fj128mc204 Datasheet - Page 378

• Manufacturer Part Number: dspic33fj128mc204
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

TABLE 31-42: ADC CONVERSION (12-BIT MODE) TIMING REQUIREMENTS
DS70291C-page 376
AC CHARACTERISTICS
AD50
AD51
AD55
AD56
AD57
AD60
AD61
AD62
AD63
Note 1:
Param
No.
2:
3:
T
t
t
F
T
t
t
t
t
RC
CONV
PCS
PSS
CSS
DPU
Symbol
AD
SAMP
CNV
Because the sample caps will eventually lose charge, clock rates below 10 kHz may affect linearity
performance, especially at elevated temperatures.
These parameters are characterized but not tested in manufacturing.
The t
turned on (AD1CON1<ADON>=’1’). During this time, the ADC result is indeterminate.
DPU
ADC Clock Period
ADC Internal RC Oscillator
Period
Conversion Time
Throughput Rate
Sample Time
Conversion Start from Sample
Trigger
Sample Start from Setting
Sample (SAMP) bit
Conversion Completion to
Sample Start (ASAM = 1)
Time to Stabilize Analog Stage
from ADC Off to ADC On
is the time required for the ADC module to stabilize at the appropriate level when the module is
(2)
Characteristic
(2)
(2)
(2)
Timing Parameters
Clock Parameters
Conversion Rate
Preliminary
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
117.6
3 T
2 T
2 T
Min.
—
—
—
—
—
AD
AD
AD
0.5 T
14 T
Typ
250
—
—
—
—
—
—
AD
AD
3 T
3 T
Max.
500
—
20
—
—
—
AD
AD
-40°C ≤ T
-40°C ≤ T
Units
Ksps
ns
ns
ns
μs
—
—
—
—
© 2009 Microchip Technology Inc.
A
A
≤ +85°C for Industrial
≤ +125°C for Extended
Auto convert trigger not
selected
Conditions
—
—
—