X9410 Xicor, X9410 Datasheet - Page 17

• Manufacturer Part Number: X9410
• Description: Dual Digitally Controlled Potentiometer
• Manufacturer: Xicor

X9410
Application Circuits (continued)
REV 1.1 10/6/00
V
V
S
S
R
Inverting Amplifier
1
R
R
V
-1/2
V
G = -R
1
3
O
O
Attenuator
= G V
= G V
R
R
2
G
4
2
/R
S
S
1
+1/2
All R
–
+
–
+
–
+
S
R
= 10k
2
}
}
R
R
frequency
amplitude
A
B
Function Generator
V
O
V
www.xicor.com
O
R
R
R
A
1
2
, R
, R
2
B
, C
R
1
Z
Equivalent L-R Circuit
V
V
IN
S
S
Z
IN
= R
C
(R
1
2
Characteristics subject to change without notice.
C
–
+
1
+ s R
R
+ R
G
fc = 1/(2 RC)
Filter
C
O
3
2
) >> R
= 1 + R
(R
R
R
1
3
1
+ R
2
R
2
3
R
1
/R
+
–
) C
2
1
1
+
–
= R
2
R
+ s Leq
2
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