Datasheet

© 2008 Microchip Technology Inc. DS21295D-page 9
MCP3004/3008
Note: Unless otherwise indicated, V
DD
= V
REF
= 5V, f
CLK
= 18* f
SAMPLE
, T
A
= +25°C.
FIGURE 2-13: Differential Nonlinearity
(DNL) vs. Code (Representative Part).
FIGURE 2-14: Differential Nonlinearity
(DNL) vs. Temperature.
FIGURE 2-15: Gain Error vs. V
REF
.
FIGURE 2-16: Differential Nonlinearity
(DNL) vs. Code (Representative Part,
V
DD
=2.7V).
FIGURE 2-17: Differential Nonlinearity
(DNL) vs. Temperature (V
DD
= 2.7V).
FIGURE 2-18: Offset Error vs. V
REF
.
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 128 256 384 512 640 768 896 1024
Digital Code
DNL (LSB)
V
DD
= V
REF
= 5 V
f
SAMPLE
= 200 ksps
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
-50-250 255075100
Temperature (°C)
DNL (LSB)
Positive DNL
Negative DNL
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
012345
V
REF
(V)
Gain Error (LSB)
V
DD
= 2.7 V
f
SAMPLE
= 75 ksps
V
DD
= 5 V
f
SAMPLE
= 200 ksps
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 128 256 384 512 640 768 896 1024
Digital Code
DNL (LSB)
V
DD
= V
REF
= 2.7 V
f
SAMPLE
= 75 ksps
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
-50 -25 0 25 50 75 100
Temperature (°C)
DNL (LSB)
Positive DNL
V
DD
= V
REF
= 2.7 V
f
SAMPLE
= 75 ksps
Negative DNL
0
1
2
3
4
5
6
7
8
012345
V
REF
(V)
Offset Error (LSB)
V
DD
= 5 V
f
SAMPLE
= 200 ksps
V
DD
= 2.7 V
f
SAMPLE
= 75 ksps