Datasheet
2002-2017 Microchip Technology Inc. DS20001732E-page 7
MCP3221
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 2-7: INL vs. Temperature.
FIGURE 2-8: DNL vs. Clock Rate.
FIGURE 2-9: DNL vs. V
DD
- I
2
C Standard
Mode (f
SCL
= 100 kHz).
FIGURE 2-10: INL vs. Temperature
(V
DD
=2.7V).
FIGURE 2-11: DNL vs. Clock Rate
(V
DD
=2.7V).
FIGURE 2-12: DNL vs. V
DD
- I
2
C Fast
Mode (f
SCL
= 400 kHz).
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125
Temperature (°C)
INL (LSB)
Positive INL
Negative INL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0 100 200 300 400
I
2
C Bus Rate (kHz)
DNL (LSB)
Positive DNL
Negative DNL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5 3 3.5 4 4.5 5 5.5
V
DD
(V)
DNL (LSB)
Positive DNL
Negative DNL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125
Temperature (°C)
INL (LSB)
Negative INL
Positive INL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0 100 200 300 400
I
2
C Bus Rate (kHz)
DNL (LSB)
Negative DNL
Positive DNL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.533.544.555.5
V
DD
(V)
DNL (LSB)
Positive DNL
Negative DNL