MCP4131 MICROCHIP [Microchip Technology], MCP4131 Datasheet - Page 25

• Manufacturer Part Number: MCP4131
• Description: 7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
• Manufacturer: MICROCHIP [Microchip Technology]

Note: Unless otherwise indicated, T
FIGURE 2-42:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-43:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-44:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
© 2008 Microchip Technology Inc.
Note:
120
100
300
260
220
180
140
100
25000
20000
15000
10000
80
60
40
20
60
20
5000
0
0
0
125°C
125°C
0
Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (R
voltage and wiper setting value.
32
-40C Rw
-40C INL
-40C DNL
-40C Rw
-40C INL
-40C DNL
32
-40C Rw
-40C INL
-40C DNL
85°C
85°C
DNL
DNL
25°C
Wiper Setting (decimal)
Wiper Setting (decimal)
64
64
Wiper Setting (decimal)
DNL
64
25°C
-40°C
25C Rw
25C INL
25C DNL
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
100 k
100 k
100 k
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
-40°C
RW
W
DD
DD
DD
128
) with respect to device
Ω
Ω
Ω
85C Rw
85C INL
85C DNL
85C Rw
85C INL
85C DNL
INL
INL
R
R
= 5.5V).
= 3.0V).
= 1.8V).
Pot Mode – R
Pot Mode – R
Pot Mode – R
W
85C Rw
85C INL
85C DNL
W
INL
A
192
= +25°C, V
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
256
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0.2
0.1
0
-0.1
-0.2
W
W
0.35
0.25
0.15
0.05
-0.05
-0.15
-0.25
-0.35
W
DD
MCP413X/415X/423X/425X
(
(
(
Ω
Ω
Ω
= 5V, V
),
),
),
SS
= 0V.
FIGURE 2-45:
(
Ambient Temperature (V
FIGURE 2-46:
(
Ambient Temperature (V
FIGURE 2-47:
(
Ambient Temperature (V
Ω
Ω
Ω
), INL (LSb), DNL (LSb) vs. Wiper Setting and
), INL (LSb), DNL (LSb) vs. Wiper Setting and
), INL (LSb), DNL (LSb) vs. Wiper Setting and
Note:
120
100
300
260
220
180
140
100
25000
20000
15000
10000
80
60
40
20
60
20
5000
0
0
0
125°C
125°C
Refer to AN1080 for additional informa-
tion on the characteristics of the wiper
resistance (R
voltage and wiper setting value.
0
-40C Rw
-40C INL
-40C DNL
DNL
32
32
-40C Rw
-40C INL
-40C DNL
DNL
-40C Rw
-40C INL
-40C DNL
85°C
85°C
Wiper Setting (decimal)
64
Wiper Setting (decimal)
64
Wiper Setting (decimal)
64
25°C
25°C
25C Rw
25C INL
25C DNL
25C Rw
25C INL
25C DNL
96 128 160 192 224 256
100 k
100 k
100 k
96
25C Rw
25C INL
25C DNL
-40°C
-40°C
INL
INL
W
128 160 192 224 256
DNL
DD
DD
DD
) with respect to device
128
Ω
Ω
Ω
85C Rw
85C INL
85C DNL
85C Rw
85C INL
85C DNL
= 5.5V).
= 3.0V).
= 1.8V).
R
Rheo Mode – R
Rheo Mode – R
Rheo Mode – R
85C Rw
85C INL
85C DNL
W
192
DS22060B-page 25
R
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
W
125C Rw
125C INL
125C DNL
RW
INL
256
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
59
54
49
44
39
34
29
24
19
14
9
4
-1
W
W
W