MCP3201
Note: Unless otherwise indicated, VDD = VREF = 5V, VSS = 0V, fSAMPLE = 100ksps, fCLK = 16*fSAMPLE,TA = 25°C
1.0
0.8
1.0
0.8
VDD = VREF = 2.7V
F
SAMPLE = 50ksps
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4096
Digital Code
0
512 1024 1536 2048 2560 3072 3584 4096
Digital Code
FIGURE 2-13: Differential Nonlinearity (DNL) vs.
FIGURE 2-16: Differential Nonlinearity (DNL) vs.
Code (Representative Part).
Code (Representative Part, VDD = 2.7V).
1.0
0.8
0.6
1.0
VDD = VREF = 2.7V
0.8
F
SAMPLE = 50ksps
0.6
0.4
Positive DNL
Negative DNL
0.4
Positive DNL
0.2
0.0
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-0.2
Negative DNL
-0.4
-0.6
-0.8
-1.0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
FIGURE 2-14: Differential Nonlinearity (DNL) vs.
FIGURE 2-17: Differential Nonlinearity (DNL) vs.
Temperature.
Temperature (VDD = 2.7V).
20
18
5
4
VDD = 5V
16
VDD = 2.7V
SAMPLE = 50ksps
F
SAMPLE = 100ksps
3
14
12
10
8
F
2
1
VDD = 2.7V
SAMPLE = 50ksps
6
0
F
VDD = 5V
SAMPLE = 100ksps
4
-1
-2
F
2
0
0
1
2
3
4
5
0
1
2
3
4
5
VREF(V)
VREF (V)
FIGURE 2-15: Gain Error vs. VREF.
FIGURE 2-18: Offset Error vs. VREF.
1999 Microchip Technology Inc.
Preliminary
DS21290B-page 7
MICROCHIP [ MICROCHIP ]
