MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 22

• 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 2-15:
from Average R
Wiper Setting and Temperature
(V
FIGURE 2-16:
from Average R
Wiper Setting and Temperature
(V
FIGURE 2-17:
from Average R
Wiper Setting and Temperature
(V
DS22267A-page 22
DD
DD
DD
Note:
-0.50%
-1.50%
-2.50%
-0.50%
-1.50%
-2.50%
-1.00%
-2.00%
-3.00%
-4.00%
-5.00%
-6.00%
-7.00%
= 5.5V, I
= 3.0V, I
= 1.8V, I
2.50%
1.50%
0.50%
2.50%
1.50%
0.50%
2.00%
1.00%
0.00%
0
0
0
See
information of R
characteristics for V
W
W
W
32
32
32
BW
BW
BW
= 190 µA).
= 190 µA).
= 190 µA).
Appendix
64
64
64
(R
(R
(R
5 k
5 k
5 k
BW0
BW0
BW0
96
96
96



Wiper Code
Wiper Code
Wiper Code
– Worst Case R
-R
– Worst Case R
-R
– Worst Case R
-R
128
128
128
W
BW3
BW3
BW3
B:
resistance variation
DD
160
160
160
) Error (%) vs.
) Error (%) vs.
) Error (%) vs.
A
> 2.7V.
= +25°C, V
for
192
192
192
additional
-40C
+25C
+85C
+125C
-40C
+25C
+85C
+125C
-40C
+25C
+85C
+125C
224
224
224
BW
BW
BW
DD
256
256
256
= 5V, V
SS
= 0V.
FIGURE 2-18:
Wiper Setting. (R
40°C)
(V
FIGURE 2-19:
Wiper Setting. (R
40°C)
(V
FIGURE 2-20:
Wiper Setting. (R
40°C)
(V
DD
DD
DD
Note:
100
-1000
-1500
-2000
54
52
50
48
46
44
42
40
)/R
)/R
)/R
95
90
85
80
75
70
65
60
-500
= 5.5V, I
= 3.0V, I
= 1.8V, I
500
0
0
0
BW(code = 256, 25°C)
BW(code = 256, 25°C)
BW(code = 256, 25°C)
0
See
information of R
characteristics for V
32
CH0
CH2
32
CH0
CH2
32
W
W
W
CH0
CH2
= 190 µA).
= 190 µA).
= 190 µA).
64
64
BW(code=n, 125°C)
BW(code=n, 125°C)
BW(code=n, 125°C)
CH1
CH3
64
Appendix
CH1
CH3
CH1
CH3
5 k
5 k
5 k
96
96
 2010 Microchip Technology Inc.
Wiper Code
96
Wiper Code
Wiper Code



128
128
– R
– R
– R
128
/165°C * 1,000,000)
/165°C * 1,000,000)
/165°C * 1,000,000)
W
WB
WB
B:
resistance variation
WB
DD
160
160
160
> 2.7V.
PPM/°C vs.
PPM/°C vs.
PPM/°C vs.
-R
-R
-R
for
192
192
192
BW(code=n, -
BW(code=n, -
BW(code=n, -
additional
224
224
224
256
256
256