x9438 Intersil Corporation, x9438 Datasheet - Page 15

• Manufacturer Part Number: x9438
• Description: Dual Digitally Controlled Potentiometer Xdcp With Operational Amplifier
• Manufacturer: Intersil Corporation

BASIC APPLICATIONS
V
S
R
V
O
/I
I to V Converter
–
+
S
= -R
A
R
Absolute Value Amplifier with Gain
1
V
3
O
3
(1 + R
–
+
= |V
15
–
+
R
S
|
1
2
/R
R
R
R
1
1
) + R
R
2
2
V
2R
R
O
}
}
frequency v R
amplitude v R
R
R
Function Generator
A
B
–
+
R
1
A
X9438
2
1
A
R
, R
, R
2
2
B
, C
V
O
R
1
V
S
V
S
–
+
C
R
R
R
C
V
-1/2 d G d +1/2
V
1
3
1
O
O
/V
= G V
Phase Shifter
R
S
4
= 180° - 2tan
Attenuator
S
R
R
R
1
2
–
+
–
+
= R
= 2R
R
R
3
2
1
-1
1
= R
wRC
4
March 11, 2005
V
V
O
O
FN8199.0