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
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 INL
Positive INL
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
Positive INL
INL (LSB)
INL (LSB)
Negative INL
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
FIGURE 2-7:
vs. Temperature.
Integral Nonlinearity (INL)
FIGURE 2-10:
Integral Nonlinearity (INL)
vs. Temperature (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
0
25
2.0
1.5
DNL (LSB)
Positive DNL
V
DD
= V
REF
= 2.7V
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
Negative DNL
Positive DNL
DNL (LSB)
Negative DNL
50
75
100
Sample Rate (ksps)
125
150
0
20
40
60
Sample Rate (ksps)
80
100
FIGURE 2-8:
Differential Nonlinearity
(DNL) vs. Sample Rate.
3.0
2.0
FIGURE 2-11:
Differential Nonlinearity
(DNL) vs. Sample Rate (V
DD
= 2.7V).
3.0
2.0
Positive DNL
V
DD
= 2.7V
F
SAMPLE
= 50 ksps
DNL (LSB)
1.0
0.0
-1.0
-2.0
0
1
Positive DNL
DNL (LSB)
1.0
0.0
-1.0
-2.0
-3.0
Negative DNL
Negative DNL
2
3
4
5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
V
REF
(V)
V
REF
(V)
FIGURE 2-9:
(DNL) vs. V
REF
.
Differential Nonlinearity
FIGURE 2-12:
Differential Nonlinearity
(DNL) vs. V
REF
(V
DD
= 2.7V).
DS21290E-page 8
©
2008 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
