Datasheet

MCP3221
DS20001732E-page 6  2002-2017 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
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 2-1: INL vs. Clock Rate.
FIGURE 2-2: INL vs. V
DD
- I
2
C Standard
Mode (f
SCL
= 100 kHz).
FIGURE 2-3: INL vs. Code
(Representative Part).
FIGURE 2-4: INL vs. Clock Rate
(V
DD
=2.7V).
FIGURE 2-5: INL vs. V
DD
- I
2
C Fast Mode
(f
SCL
= 400 kHz).
FIGURE 2-6: INL vs. Code
(Representative Part, V
DD
= 2.7V).
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-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)
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
2.533.544.555.5
V
DD
(V)
INL (LSB)
Positive INL
Negative INL
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0 1024 2048 3072 4096
Digital Code
INL (LSB)
-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)
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
2.533.544.555.5
V
DD
(V)
INL (LSB)
Positive INL
Negative INL
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0 1024 2048 3072 4096
Digital Code
INL (LSB)