MCP3201
Note:
Unless otherwise indicated, V
DD
= V
REF
= 5V, V
SS
= 0V, f
SAMPLE
= 100 ksps, f
CLK
= 16*f
SAMPLE
, T
A
= +25°C.
1.0
V
DD
= V
REF
= 2.7V
0.8
F
SAMPLE
= 50 ksps
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
Digital Code
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
Digital Code
DNL (LSB)
FIGURE 2-13:
Differential Nonlinearity
(DNL) vs. Code (Representative Part).
FIGURE 2-16:
Differential Nonlinearity
(DNL) vs. Code (Representative Part,
V
DD
= 2.7V).
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
-25
DNL (LSB)
V
DD
= 2.7V
F
SAMPLE
= 50ksps
Positive DNL
DNL (LSB)
Negative DNL
DNL (LSB)
Positive DNL
Negative DNL
0
25
50
Temperature (°C)
75
100
-50
-25
0
25
50
Temperature (°C)
75
100
FIGURE 2-14:
Differential Nonlinearity
(DNL) vs. Temperature.
FIGURE 2-17:
Differential Nonlinearity
(DNL) vs. Temperature (V
DD
= 2.7V).
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
V
DD
= 2.7V
F
SAMPLE
= 50ksps
V
DD
= 5V
F
SAMPLE
= 100 ksps
5
4
Gain Error (LSB)
3
2
1
0
-1
-2
0
1
V
DD
= 2.7V
F
SAMPLE
= 50 ksps
V
DD
= 5V
F
SAMPLE
= 100 ksps
2
3
4
5
V
REF
(V)
Offset Error (LSB)
V
REF
(V)
FIGURE 2-15:
Gain Error vs. V
REF
.
FIGURE 2-18:
Offset Error vs. V
REF
.
©
2008 Microchip Technology Inc.
DS21290E-page 9
MICROCHIP [ MICROCHIP TECHNOLOGY ]
