Datasheet

© 2008 Microchip Technology Inc. DS22060B-page 25
MCP413X/415X/423X/425X
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-42: 100 k Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-43: 100 k
Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-44: 100 k
Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 1.8V).
FIGURE 2-45: 100 k
Ω Rheo Mode – R
W
(
Ω ), INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-46: 100 k
Ω Rheo Mode – R
W
(
Ω ), INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-47: 100 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)
-0.2
-0.1
0
0.1
0.2
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)
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
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
5000
10000
15000
20000
25000
0 64 128 192 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-0.35
-0.25
-0.15
-0.05
0.05
0.15
0.25
0.35
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°C85°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 (Rw)
(ohms)
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
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°C85°C
125°C
0
5000
10000
15000
20000
25000
0 64 128 192 256
Wiper Setting (decimal)
Wiper Resistance (R
W
)
(ohms)
-1
4
9
14
19
24
29
34
39
44
49
54
59
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.