MCP3202
Note:
Unless otherwise indicated, V
DD
= 5V, V
SS
= 0V, f
SAMPLE
=
100 ksps, f
CLK
= 18* f
SAMPLE
,T
A
= 25°C
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512
1024 1536 2048 2560 3072 3584 4096
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512
1024 1536 2048 2560
3072 3584 4096
V
DD
= 2.7V
F
SAMPLE
= 50 ksps
DNL (LSB)
Digital Code
DNL (LSB)
Digital Code
FIGURE 2-13:
Differential Nonlinearity
Code (Representative Part).
(DNL)
vs.
FIGURE 2-16:
Differential Nonlinearity
Code (Representative Part, V
DD
= 2.7V).
(DNL)
vs.
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
-25
0
25
50
75
100
Negative DNL
Positive DNL
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
-25
0
25
50
75
100
Negative DNL
V
DD
= 2.7V
F
SAMPLE
= 50 ksps
Positive DNL
DNL (LSB)
Temperature (°C)
DNL (LSB)
Temperature (°C)
FIGURE 2-14:
Differential
Temperature.
Nonlinearity
(DNL)
vs.
FIGURE 2-17:
Differential
Temperature (V
DD
= 2.7V).
Nonlinearity
(DNL)
vs.
2.0
1.5
F
SAMPLE
= 10 ksps
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.5
3.0
3.5
4.0
4.5
5.0
Offset Error (LSB)
Gain Error (LSB)
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
F
SAMPLE
= 100 ksps
F
SAMPLE
= 50 ksps
F
SAMPLE
= 100 ksps
F
SAMPLE
= 50 ksps
F
SAMPLE
= 10 ksps
2.5
3.0
3.5
4.0
4.5
5.0
V
DD
(V)
V
DD
(V)
FIGURE 2-15:
Gain Error vs. V
DD
.
FIGURE 2-18:
Offset Error vs. V
DD
.
©
2006 Microchip Technology Inc.
DS21034D-page 7
MICROCHIP [ MICROCHIP TECHNOLOGY ]
