Datasheet

H
L
W
R
HW
R
WL
R
TOT
H
L
W
R
TOT
R
WL
= R
TOT
x D/128
R
HW
= R
TOT
x (1 – (D/128))
VOLTAGE DIVIDER MODE
RHEOSTAT MODE A
RHEOSTAT MODE B
Where D = Decimal Value of Wiper Code
Where D = Decimal Value of Wiper Code
Where D = Decimal Value of Wiper Code
H (Floating)
L
W
R
WL
R
TOT
R
HW
H
L (Floating)
W
R
TOT
OR
OR
V
H
W
V
HW
V
WL
V
H
- V
L
V
L
V
WL
= (V
H
– V
L
) x D/128
V
HW
= (V
H
– V
L
) x (1 – (D/128))
TPL0401A
TPL0401B
TPL0401C
www.ti.com SLIS144A –SEPTEMBER 2011–REVISED MARCH 2012
DIGITAL POTENTIOMETER CONFIGURATIONS
Figure 1. DPOT Configurations
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Product Folder Link(s): TPL0401A TPL0401B TPL0401C