MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 32

• Manufacturer Part Number: MCP4431
• Description: 7/8-bit Volatile Quad Digital Pot With I 2c Interface
• Manufacturer: Microchip Technology Inc.

MCP443X/5X
Note: Unless otherwise indicated, T
FIGURE 2-66:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-67:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
FIGURE 2-68:
INL (LSb), DNL (LSb) vs. Wiper Setting and
Ambient Temperature (V
DS22267A-page 32
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
See
information of R
characteristics for V
0
32
-40C Rw
-40C INL
-40C DNL
-40C Rw
-40C INL
-40C DNL
32
-40C Rw
-40C INL
-40C DNL
85°C
85°C
25°C
DNL
DNL
Wiper Setting (decimal)
Wiper Setting (decimal)
64
64
Wiper Setting (decimal)
Appendix
DNL
64
25°C
-40°C
25C Rw
25C INL
25C DNL
25C Rw
25C INL
25C DNL
100 k
100 k
100 k
96 128 160 192 224 256
96 128 160 192 224 256
25C Rw
25C INL
25C DNL
-40°C
RW
DD
DD
DD
128



W
INL
85C Rw
85C INL
85C DNL
INL
85C Rw
85C INL
85C DNL
R
R
= 5.5V).
= 3.0V).
= 1.8V).
Pot Mode – R
W
Pot Mode – R
85C Rw
85C INL
85C DNL
Pot Mode – R
W
INL
B:
resistance variation
DD
192
A
> 2.7V.
= +25°C, V
for
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
125C Rw
125C INL
125C DNL
additional
256
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0.35
0.25
0.15
0.05
-0.05
-0.15
-0.25
-0.35
0.2
0.1
0
-0.1
-0.2
W
W
W
DD
(
(
(



= 5V, V
),
),
),
SS
= 0V.
FIGURE 2-69:
(
Ambient Temperature (V
FIGURE 2-70:
(
Ambient Temperature (V
FIGURE 2-71:
(
Ambient Temperature (V



), 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
80
60
40
20
60
20
25000
20000
15000
10000
5000
0
0
125°C
125°C
0
See
information of R
characteristics for V
0
-40C Rw
-40C INL
-40C DNL
32
32
DNL
-40C Rw
-40C INL
-40C DNL
DNL
-40C Rw
-40C INL
-40C DNL
85°C
85°C
Wiper Setting (decimal)
Wiper Setting (decimal)
64
64
Appendix
Wiper Setting (decimal)
25°C
64
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
96 128 160 192 224 256
 2010 Microchip Technology Inc.
25C Rw
25C INL
25C DNL
-40°C
-40°C
INL
INL
DNL
DD
DD
DD
128



85C Rw
85C INL
85C DNL
W
85C Rw
85C INL
85C DNL
= 5.5V).
= 3.0V).
= 1.8V, I
R
Rheo Mode – R
Rheo Mode – R
Rheo Mode – R
85C Rw
85C INL
85C DNL
W
B:
resistance variation
DD
192
> 2.7V.
R
125C Rw
125C INL
125C DNL
for
125C Rw
125C INL
125C DNL
W
125C Rw
125C INL
125C DNL
W
RW
INL
= 10 µA).
additional
256
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
59
54
49
44
39
34
29
24
19
14
9
4
-1
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
W
W
W