wms7140 Winbond Electronics Corp America, wms7140 Datasheet - Page 15
![no-image](/images/no-image-200.jpg)
wms7140
Manufacturer Part Number
wms7140
Description
Nonvolatile Digital Potentiometers With Up/down 3-wire Interface, 10kohm, 50kohm, 100kohm Resistance 16 Taps With Optional Output Buffer
Manufacturer
Winbond Electronics Corp America
Datasheet
1.WMS7140.pdf
(23 pages)
- Current page: 15 of 23
- Download datasheet (337Kb)
11. TYPICAL APPLICATION CIRCUITS
FIGURE 6 – PROGRAMMABLE NON-INVERTING GAIN AMPLIFIER USING THE WMS7140/1
FIGURE 5 – PROGRAMMABLE INVERTING GAIN AMPLIFIER USING THE WMS7140/1
V
R
R
D = Wiper setting for WMS71XX
V
R
R
D = Wiper setting for WMS71XX
OUT
OUT
A
AB
A
AB
=
=
= Total resistance of potentiometer
= Total resistance of potentiometer
= - V
= V
R
R
AB
AB
IN
(256
(256
IN
256
256
(1+
R
R
R
R
B
A
D)
D)
B
A
WMS71XX
Vin
V
)
, R
, R
IN
B
B
=
=
R
R
256
R
A
AB
R
256
A
WMS71XX
AB
D
D
R
R
B
B
+
+
_
_
- 15 -
OP
AMP
OP
AMP
Publication Release Date: April 21, 2005
V
V
OUT
OUT
WMS7140/1
Revision 1.1
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