MCP3002
Note:
Unless otherwise indicated, V
DD
= 5V, f
SAMPLE
= 200 ksps, f
CLK
= 16* f
SAMPLE
,T
A
= 25°C
0.4
0.3
0.2
Positive DNL
0.4
V
DD
= 2.7V
0.3
0.2
f
SAMPLE
= 75 ksps
DNL (LSB)
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-50
-25
0
25
50
75
100
Negative DNL
DNL (LSB)
Positive DNL
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-50
-25
0
25
50
75
100
Negative DNL
Temperature (°C)
Temperature (°C)
FIGURE 2-13:
Differential
Temperature.
Nonlinearity
(DNL)
vs.
FIGURE 2-16:
Differential
Temperature (V
DD
= 2.7V).
Nonlinearity
(DNL)
vs.
1.0
0.8
All points taken at f
SAMPLE
= 200 ksps except
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
DD
= 2.7V, f
SAMPLE
= 75 ksps
1.0
All points taken at f
SAMPLE
= 200 ksps except
0.8
0.6
0.4
0.2
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
DD
= 2.7V, f
SAMPLE
= 75 ksps
Gain Error (LSB)
V
DD
(V)
Offset Error (LSB)
V
DD
(V)
FIGURE 2-14:
Gain Error vs. V
DD
.
FIGURE 2-17:
Offset Error vs. V
DD
.
0.0
-0.1
-0.2
-0.3
V
DD
= 5V
-0.4
-0.5
-50
-25
0
25
50
75
100
f
SAMPLE
= 200 ksps
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
0.8
0.7
Offset Error (LSB)
Gain Error (LSB)
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-50
-25
0
25
50
75
100
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
V
DD
= 5V
f
SAMPLE
= 200 ksps
Temperature (°C)
Temperature (°C)
FIGURE 2-15:
Gain Error vs. Temperature.
FIGURE 2-18:
Offset Error vs. Temperature.
©
2007 Microchip Technology Inc.
DS21294C-page 7
MICROCHIP [ MICROCHIP TECHNOLOGY ]
