Datasheet

Table Of Contents
dsPIC30F6011/6012/6013/6014
DS70117F-page 138 © 2006 Microchip Technology Inc.
19.7 ADC Speeds
The dsPIC30F 12-bit ADC specifications permit a max-
imum of 200 ksps sampling rate. The table below sum-
marizes the conversion speeds for the dsPIC30F 12-bit
ADC and the required operating conditions.
TABLE 19-1: 12-BIT ADC EXTENDED CONVERSION RATES
dsPIC30F 12-bit ADC Conversion Rates
Speed
TAD
Minimum
Sampling
Time Min
R
s
Max VDD Temperature Channels Configuration
Up to 200
ksps
(1)
334 ns 1 TAD 2.5 kΩ 4.5V to 5.5V -40°C to +85°C
Up to 100
ksps
668 ns 1 T
AD 2.5 kΩ 3.0V to 5.5V -40°C to +125°C
Note 1: External V
REF- and VREF+ pins must be used for correct operation. See Figure 19-2 for recommended
circuit.
V
REF
-V
REF
+
ADC
ANx
S/H
CH
X
V
REF
-V
REF
+
ADC
ANx
S/H
CH
X
ANx or V
REF
-
or
AV
SS
or
AV
DD