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WMS7202050P

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
WMS7202
- 22 -
11. TYPICAL APPLICATION CIRCUIT
Vin
V
OUT
= - V
IN
A
B
R
R
R
A
=
256
D)(256R
AB −
, R
B
=
256
DR
AB
R
AB
= Total resistance of potentiometer
D = Wiper setting for WMS7202
FIGURE 8 – PROGRAMMABLE INVERTING GAIN AMPLIFIER USING THE WMS7202
V
OUT
= V
IN
(1+
A
B
R
R
)
R
A
=
256
D)(256R
AB −
, R
B
=
256
DR
AB
R
AB
= Total resistance of potentiometer
D = Wiper setting for WMS7202
FIGURE 9 – PROGRAMMABLE NON-INVERTING GAIN AMPLIFIER USING THE WMS7202
OP
A
MP
_
V
OUT
WMS7202
+
OP
A
MP
V
IN
V
OUT
WMS7202
_
R
A
R
B
R
A
R
B
+
WMS7202
Publication Release Date: January 2003
- 23 - Revision 1.1
FIGURE 10 – WMS7202 TRIMMING VOLTAGE REFERENCE
FIGURE 11 – WMS7202 AUDIO TONE CONTROL
V
REFH
WMS7202
V+
GND
V
REF = 5.0v
I = 32mA
+
-
U2
2
3
6
81
AUDIO TONE CONTROL EXAMPLE
U1
WMS7202P-14
1
2
3
4
5
13
12
11
10
6
7 8
9
14
CS
CLK
SDI
WP
GND
SDO
VA1
VW1
VB1
R/B
VA2 VW2
VB2
VDD
WMS7202
- 24 -
FIGURE 12 – PROGRAMMABLE LOW-PASS FILTER
SDI
14
Vout
CLK
CONTROL
Vin
CS\
SDO
13
PROGRAMMABLE
LOW-PASS
FILTER
R/B\
8
6
97
R2
4
5
12
3
1/2 WMS7202
2
R1
1
+
-
2
3
6
81
11
1/2 WMS7202
WP\
VDD
10
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

WMS7202050P

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Description:
IC DGTL POT 50KOHM 256TAP 14DIP
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New from this manufacturer.
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