Datasheet

MCP3221
DS21732D-page 10  2002-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= 5V, V
SS
= 0V, I
2
C Fast Mode Timing (SCL = 400 kHz), Continuous Conversion
Mode (f
SAMP
= 22.3 ksps), T
A
= +25°C.
FIGURE 2-31: I
DD
(Conversion) vs. Clock
Rate.
FIGURE 2-32: I
DD
(Conversion) vs.
Temperature.
FIGURE 2-33: I
DDA
(Active Bus) vs. V
DD
.
FIGURE 2-34: I
DDA
(Active Bus) vs. Clock
Rate.
FIGURE 2-35: I
DDA
(Active Bus) vs.
Temperature.
FIGURE 2-36: I
DDS
(Standby) vs. V
DD
.
0
20
40
60
80
100
120
140
160
180
200
0 100 200 300 400
I
2
C Clock Rate (kHz)
I
DD
(µA)
V
DD
= 5V
V
DD
= 2.7V
0
50
100
150
200
250
-50 -25 0 25 50 75 100 125
Temperature (°C)
I
DD
(µA)
V
DD
= 5V
V
DD
= 2.7V
0
10
20
30
40
50
60
70
80
90
100
2.533.544.555.5
V
DD
(V)
I
DDA
(µA)
0
10
20
30
40
50
60
70
80
90
100
0 100 200 300 400
I
2
C Clock Rate (kHz)
I
DDA
(µA)
V
DD
= 5V
V
DD
= 2.7V
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125
Temperature (°C)
I
DDA
(µA)
V
DD
= 5V
V
DD
= 2.7V
0
10
20
30
40
50
60
2.533.544.555.5
V
DD
(V)
I
DDS
(pA)