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
DNL (LSB)
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-50
-25
0
25
50
Temperature (°C)
75
100
Negative DNL
Positive DNL
0.4
0.3
0.2
DNL (LSB)
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-50
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
Positive DNL
Negative DNL
-25
0
25
50
Temperature (°C)
75
100
FIGURE 2-13:
Differential Nonlinearity
(DNL) vs. Temperature.
FIGURE 2-16:
Differential Nonlinearity
(DNL) 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
1.0
Offset Error (LSB)
All points taken at f
SAMPLE
= 200 ksps except
V
DD
= 2.7V, f
SAMPLE
= 75 ksps
Gain Error (LSB)
0.8
0.6
0.4
0.2
0.0
All points taken at f
SAMPLE
= 200 ksps except
V
DD
= 2.7V, f
SAMPLE
= 75 ksps
2.5
3.0
3.5
4.0
V
DD
(V)
4.5
5.0
5.5
2.5
3.0
3.5
4.0
V
DD
(V)
4.5
5.0
5.5
FIGURE 2-14:
0.0
Gain Error vs. V
DD
.
FIGURE 2-17:
Offset Error vs. V
DD
.
0.8
Offset Error (LSB)
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V
DD
= 2.7V
f
SAMPLE
= 75 ksps
V
DD
= 5V
f
SAMPLE
= 200 ksps
Gain Error (LSB)
-0.1
-0.2
-0.3
-0.4
-0.5
-50
-25
V
DD
= 5V
f
SAMPLE
= 200 ksps
0.0
0
25
50
Temperature (°C)
75
100
-50
-25
0
25
50
Temperature (°C)
75
100
FIGURE 2-15:
Gain Error vs. Temperature.
FIGURE 2-18:
Temperature.
Offset Error vs.
©
2008 Microchip Technology Inc.
DS21294D-page 9
MICROCHIP [ MICROCHIP TECHNOLOGY ]
