MCP3021
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.
0.25
1
0.20
0.8
0.15
0.6
0.10
0.4
INL (LSB)
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
-50
-25
0
25
50
75
100
125
Temperature (°C)
Negative INL
0.25
1
Positive INL
0.20
0.8
0.15
0.6
0.10
0.4
INL (LSB)
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
-50
-25
0
25
50
75
100
125
Temperature (°C)
Negative INL
Positive INL
FIGURE 2-7:
INL vs. Temperature.
FIGURE 2-10:
(V
DD
= 2.7V).
1
0.25
0.20
0.8
0.15
0.6
INL vs. Temperature
0.25
1
0.20
0.8
0.15
0.6
0.10
0.4
DNL (LSB)
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
0
100
2
Positive DNL
DNL (LSB)
0.10
0.4
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
300
400
0
100
2
Positive DNL
Negative DNL
Negative DNL
200
I C Bus Rate (kHz)
200
I C Bus Rate (kHz)
300
400
FIGURE 2-8:
DNL vs. Clock Rate.
FIGURE 2-11:
(V
DD
= 2.7V).
1
0.25
0.20
0.8
0.15
0.6
0.10
0.4
DNL (LSB)
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
DNL vs. Clock Rate
1
0.25
0.20
0.8
0.15
0.6
0.10
0.4
DNL (LSB)
0.005
0.2
0
-0.005
-0.2
-0.10
-0.4
-0.15
-0.6
-0.20
-0.8
-0.25
-1
2.5
3
3.5
4
V
DD
(V)
4.5
5
5.5
Negative DNL
Positive DNL
Positive DNL
Negative DNL
2.5
3
3.5
4
V
DD
(V)
4.5
5
5.5
FIGURE 2-9:
DNL vs. V
DD
- I
2
C Standard
Mode (f
SCL
= 100 kHz).
FIGURE 2-12:
DNL vs. V
DD
- I
2
C Fast
Mode (f
SCL
= 400 kHz).
DS21805A-page 6
2003 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
