LTC1565-31
TYPICAL APPLICATIO S
Single-Ended Input/Output Dual Supply Filter
V
IN
+IN
+OUT
–IN
–OUT
LTC1565-31
3
0.1µF
–5V
0.1µF
NOTE: FOR SINGLE 5V SUPPLY CONNECTION, PIN 4 (LTC1565-31)
AND PIN 4 (LT1809) SHOULD BE GROUNDED AND RESISTOR
R2 SHOULD BE DC BIASED AT APPROXIMATELY 2.5V
(SEE TEST CIRCUIT FOR SINGLE SUPPLY OPERATION)
4
V
–
SHDN
5
GND
6
V
+
0.1µF
5V
R2
2.49k
–5V
A Fully Differential Filter with Adjustable Output Common Mode Voltage
V
IN+
*
V
IN–
*
1
+IN
+OUT
8
V
OUT+
V
OUT–
2
–IN
–OUT
7
LTC1565-31
3
GND
V
+
6
0.1µF
–5V
0.1µF
4
V
–
SHDN
5
5V
5V
V
R1
+
–3V
≤
V
OUT(CM)
≤
3V
0.1µF
6
*–3.4V
≤
V
IN(CM)
≤
2.5V
V
IN(CM)
CAN BE EQUAL OR
DIFFERENT FROM V
OUT(CM)
NOTE: FOR SINGLE 5V SUPPLY OPERATION,
PIN 4 (LTC1565-31), PIN 4 (LT1812) AND
RESISTOR R2 SHOULD BE GROUNDED
0.1µF
100pF
1565-31 TA10
R2
V
–
0.1µF
+
3
–
2
7
LT1812
4
–5V
+
2
7
2.49k
3
–
U
4.99k
5V
4.99k
0.1µF
6
V
OUT
1
8
2
7
LT1809
4
0.1µF
1565-31 TA09
V
OUT(CM)
= V
–
+
(V
+
– V
–
)R2
R1 + R2
9
LINER [ LINEAR TECHNOLOGY ]
