LTC1560-1 Linear Technology, LTC1560-1 Datasheet - Page 7

• Manufacturer Part Number: LTC1560-1
• Description: 1MHz/500kHz Continuous Time/ Low Noise/ Lowpass Elliptic Filter
• Manufacturer: Linear Technology

0.01 F
TYPICAL APPLICATIONS
V
IN
560pF
0.1 F
1MHz Lowpass Filter Cascaded with a 30kHz 3rd Order Highpass Filter
–5V
1
2
3
4
V
0.1 F
IN
GND
V
GND
V
IN
–
LTC1560-1
0.5f
SHDN
V
C
OUT
V
/f
+
C
1
2
3
4
0.01 F
8
7
6
5
GND
V
GND
V
IN
–
LTC1560-1
(OR – 5V)
0.5f
0.01 F
1k
SHDN
V
39pF
0.1 F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
C
OUT
V
/f
+
C
8
7
6
5
U
Augmenting the LTC1560-1 for Improved Delay Flatness
(OR – 5V)
3
2
N
2-Level Eye Diagram of the Equalized Filter
–
+
1/2 LT1364
6.49k
0.1 F
– 5V
5V
8
4
22pF
0.01 F
5V
1
0.1 F
0.1 F
2
3
560pF
–
+
1/2 LT1364
9.75k
22pF
2Mbps/s
20k
560pF
560pF
2.61k
1
6
5
–
+
1/2 LT1364
6.65k
23.7k
1560-1 TA06
1560-1 TA09
7
6
5
–
+
1/2 LT1364
– 5V
5V
8
4
40.2k
–100
–110
– 20
– 30
– 40
– 60
– 80
– 90
–10
– 50
– 70
10
0
0.1
7
0.1 F
0.1 F
1
Gain vs Frequency
FREQUENCY (kHz)
49.9
LTC1560-1
10
1560-1 TA05
V
100
OUT
1000
1560-1 TA10
10,000
7