Datasheet
MCP414X/416X/424X/426X
DS22059B-page 20 © 2008 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-27: 50 k
Ω
Pot Mode – R
W
(
Ω
),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-28: 50 k
Ω
Pot Mode – R
W
(
Ω
),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-29: 50 k
Ω
– Nominal Resistance
(
Ω
) vs. Ambient Temperature and V
DD
.
FIGURE 2-30: 50 k
Ω
Rheo Mode – R
W
(
Ω
),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-31: 50 k
Ω
Rheo Mode – R
W
(
Ω
),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-32: 50 k
Ω
– R
WB
(
Ω
) vs. Wiper
Setting and Ambient Temperature.
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
49400
49600
49800
50000
50200
50400
50600
50800
-40 0 40 80 120
Ambient Temperature (°C)
Nominal Resistance (R
AB
)
(Ohms)
2.7V
5.5V
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
10000
20000
30000
40000
50000
60000
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
R
WB
(Ohms)
-40°C
25°C
85°C
125°C