MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 90

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

MCP443X/5X
FIGURE B-16:
TABLE B-2:
DS22267A-page 90
R1
R2
R
V
V
V
V
Legend: FS – Full Scale, ZS – Zero Scale
OUT
OUT
W
W
BW
(@ FS)
(@ ZS)
(max)
(@ ZS)
(@ FS) 0.667 V
A
B
0.333 V
0.50 V
V
10,000
10,000
EXAMPLE #2 VOLTAGE
CALCULATIONS
8,000
V
A
Min
V
B
SS
R2
Example Implementation #2.
R1
DD
W
DD
DD
0.643 V
0.286 V
Variation
0.50 V
10,000
10,000
10,000
V
V
Typ
V
W
SS
OUT
DD
DD
DD
0.687 V
0.375 V
0.50 V
10,000
10,000
12,000
Max
V
SS
DD
DD
DD
 2010 Microchip Technology Inc.