Datasheet

MCP414X/416X/424X/426X
DS22059B-page 22 © 2008 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-37: 100 k Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-38: 100 k
Ω Pot Mode – R
W
( Ω ),
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-39: 100 k
Ω – Nominal
Resistance (
Ω ) vs. Ambient Temperature and
V
DD
.
FIGURE 2-40: 100 k
Ω Rheo Mode – R
W
(
Ω ), INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 5.5V).
FIGURE 2-41: 100 k
Ω Rheo Mode – R
W
(
Ω ), INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DD
= 3.0V).
FIGURE 2-42: 100 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)
-0.2
-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
99000
99500
100000
100500
101000
101500
-40 0 40 80 120
Ambient Temperature (°C)
Nominal Resistance (R
AB
)
(Ohms)
5.5V
2.7V
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
20000
40000
60000
80000
100000
120000
0 32 64 96 128 160 192 224 256
Wiper Setting (decimal)
Rwb (Ohms)
-40°C
25°C
85°C
125°C