wms7131 ETC-unknow, wms7131 Datasheet - Page 15

• Manufacturer Part Number: wms7131
• Description: Nonvolatile Digital Potentiometers
• Manufacturer: ETC-unknow

11. TYPICAL APPLICATION CIRCUITS
FIGURE 6 – PROGRAMMABLE NON-INVERTING GAIN AMPLIFIER USING THE WMS7130/1
FIGURE 5 – PROGRAMMABLE INVERTING GAIN AMPLIFIER USING THE WMS7130/1
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
B
=
B
=
R
R
256
R
R
AB
A
256
A
WMS71XX
AB
D
D
R
R
B
B
B
+
+
_
_
- 15 -
OP
AMP
OP
AMP
Publication Release Date: April 21, 2005
V
V
OUT
OUT
WMS7130/1
Revision 1.1