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DSPIC30F4012 Datasheet(PDF) 143 Page - Microchip Technology

Part # DSPIC30F4012
Description  High-Performance, 16-Bit Digital Signal Controllers
PDF  238 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DSPIC30F4012 Datasheet(HTML) 143 Page - Microchip Technology

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© 2010 Microchip Technology Inc.
DS70135G-page 143
dsPIC30F4011/4012
20.7
A/D Conversion Speeds
The dsPIC30F 10-bit ADC specifications permit
a
maximum 1 Msps sampling rate. Table 20-1
summarizes the conversion speeds for the dsPIC30F
10-bit ADC 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
TAD
Minimum
Sampling
Time Min.
RS Max.
VDD
Temperature
A/D Channels Configuration
Up to
1 Msps(1)
83.33 ns
12 TAD
500
Ω
4.5V
to
5.5V
-40°C to +85°C
Up to
750
ksps(1)
95.24 ns
2 TAD
500
Ω
4.5V
to
5.5V
-40°C to +85°C
Up to
600
ksps(1)
138.89 ns
12 TAD
500
Ω
3.0V
to
5.5V
-40°C to +125°C
Up to
500 ksps
153.85 ns
1 TAD
5.0 k
Ω
4.5V
to
5.5V
-40°C to +125°C
Up to
300 ksps
256.41 ns
1 TAD
5.0 k
Ω
3.0V
to
5.5V
-40°C to +125°C
Note 1:
External VREF- and VREF+ pins must be used for correct operation. See Figure 20-2 for recommended
circuit.
VREF-VREF+
ADC
ANx
S/H
S/H
CH1, 2 or 3
CH0
VREF-VREF+
ADC
ANx
S/H
CHX
VREF-VREF+
ADC
ANx
S/H
S/H
CH1, 2 or 3
CH0
VREF-VREF+
ADC
ANx
S/H
CHX
ANx or VREF-
or
AVSS
or
AVDD
VREF-VREF+
ADC
ANx
S/H
CHX
ANx or VREF-
or
AVSS
or
AVDD



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