Datasheet

MCP413X/415X/423X/425X
DS22060B-page 22 © 2008 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-30: 50 k Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-31: 50 k
Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-32: 50 k
Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 1.8V).
FIGURE 2-33: 50 k
Ω Rheo Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-34: 50 k
Ω Rheo Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-35: 50 k
Ω Rheo Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 1.8V).
20
40
60
80
100
120
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
R
W
-40°C
25°C
85°C
125°C
20
60
100
140
180
220
260
300
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
R
W
-40°C
25°C
85°C
125°C
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
064128192256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
RW
Note: Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (R
W
) with respect to device
voltage and wiper setting value.
20
40
60
80
100
120
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
R
W
-40°C
25°C
85°C
125°C
20
60
100
140
180
220
260
300
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
R
W
-40°C
25°C
85°C
125°C
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
0 25 50 75 100 125 150175 200225 250
Wiper Setting (decimal)
Wiper Resistance (Rw)
(ohms)
-1.5
3.5
8.5
13.5
18.5
23.5
28.5
33.5
38.5
43.5
48.5
53.5
58.5
63.5
68.5
73.5
78.5
Error (LSb)
-40C Rw 25C Rw 85C Rw 125C Rw
-40C INL 25C INL 85C INL 125C INL
-40C DNL 25C DNL 85C DNL 125C DNL
INL
DNL
RW
Note: Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (R
W
) with respect to device
voltage and wiper setting value.