x9252ts24iz-2.7 Intersil Corporation, x9252ts24iz-2.7 Datasheet - Page 17

• Manufacturer Part Number: x9252ts24iz-2.7
• Description: Quad Digitally-controlled Xdcp? Potentiometer
• Manufacturer: Intersil Corporation

Application Circuits (Continued)
V
S
V
S
R
FUNCTION GENERATOR
1
R
R
frequency ∝ R
amplitude ∝ R
1
3
V
-1/2 ≤ G ≤ +1/2
V
G = - R
INVERTING AMPLIFIER
O
O
= G V
R
= G V
R
2
ATTENUATOR
4
17
2
/R
S
S
R
1
-
+
1
-
+
= R
A
-
+
1
, R
, R
R
2
2
= R
2
B
, C
3
= R
}
}
R
R
4
A
B
= 10kΩ
V
O
V
O
R
2
X9252
R
1
Z
V
V
IN
S
S
Z
IN
= R
C
1
(R
-
+
C
2
R
+ s R
1
EQUIVALENT L-R CIRCUIT
G
fc = 1/(2πRC)
C
+ R
O
= 1 + R
R
R
2
3
1
3
) >> R
(R
FILTER
1
R
+ R
1
R
+
-
2
2
2
/R
3
1
) C
+
-
1
R
= R
2
2
+ s Leq
V
November 14, 2005
O
FN8167.2