Microchip Technology MA300015 Data Sheet
© 2011 Microchip Technology Inc.
DS70150E-page 143
dsPIC30F6010A/6015
20.7
A/D Conversion Speeds
The dsPIC30F 10-bit A/D converter specifications
permit a maximum 1 Msps sampling rate.
permit a maximum 1 Msps sampling rate.
summarizes the conversion speeds for the dsPIC30F
10-bit A/D converter and the required operating
conditions.
10-bit A/D converter and the required operating
conditions.
TABLE 20-1:
10-BIT A/D CONVERSION RATE PARAMETERS
dsPIC30F 10-bit A/D Converter Conversion Rates
A/D
Speed
T
AD
Minimum
Sampling
Time Min
R
S
Max
V
DD
Temperature
A/D Channels Configuration
Up to
1 Msps
1 Msps
(1)
83.33 ns
12 T
AD
500
Ω
4.5V
to
5.5V
-40°C to +85°C
Up to
750
ksps
750
ksps
(1)
95.24 ns
2 T
AD
500
Ω
4.5V
to
5.5V
-40°C to +85°C
Up to
600
ksps
600
ksps
(1)
138.89 ns
12 T
AD
500
Ω
3.0V
to
5.5V
-40°C to +125°C
Up to
500 ksps
500 ksps
153.85 ns
1 T
AD
5.0 k
Ω
4.5V
to
5.5V
-40°C to +125°C
Up to
300 ksps
300 ksps
256.41 ns
1 T
AD
5.0 k
Ω
3.0V
to
5.5V
-40°C to +125°C
Note 1: External V
REF
- and V
REF
+ pins must be used for correct operation. See Figure 20-2 for recommended
circuit.
V
REF
- V
REF
+
ADC
ANx
S/H
S/H
CH1, 2 or 3
CH0
V
REF
- V
REF
+
ADC
ANx
S/H
CH
X
V
REF
- V
REF
+
ADC
ANx
S/H
S/H
CH1, 2 or 3
CH0
V
REF
- V
REF
+
ADC
ANx
S/H
CH
X
ANx or V
REF
-
or
AV
SS
or
AV
DD
V
REF
- V
REF
+
ADC
ANx
S/H
CH
X
ANx or V
REF
-
or
AV
SS
or
AV
DD