Datasheet

© 2008 Microchip Technology Inc. DS21298E-page 9
MCP3204/3208
Note: Unless otherwise indicated, V
DD
= V
REF
= 5V, V
SS
= 0V, f
SAMPLE
= 100 ksps, f
CLK
= 20* 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
0 512 1024 1536 2048 2560 3072 3584 4096
Digital Code
DNL (LSB)
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
-50-250 255075100
Temperature (°C)
DNL (LSB)
Positive DNL
Negative DNL
-4
-3
-2
-1
0
1
2
3
4
012345
V
REF
(V)
Gain Error (LSB)
V
DD
= V
REF
= 2.7 V
F
SAMPLE
= 50 ksps
V
DD
= V
REF
= 5 V
F
SAMPLE
= 100 ksps
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 512 1024 1536 2048 2560 3072 3584 4096
Digital Code
DNL (LSB)
V
DD
= V
REF
= 2.7 V
F
SAMPLE
= 50 ksps
-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
Temperature (°C)
DNL (LSB)
Positive DNL
V
DD
= V
REF
= 2.7 V
F
SAMPLE
= 50 ksps
Negative DNL
0
2
4
6
8
10
12
14
16
18
20
012345
V
REF
(V)
Offset Error (LSB)
V
DD
= V
REF
= 2.7V
F
SAMPLE
= 50 ksps
V
DD
= V
REF
= 5V
F
SAMPLE
= 100 ksps