Datasheet

7
LTC1560-1
sn15601 15601fs
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.
TYPICAL APPLICATIONS N
U
Augmenting the LTC1560-1 for Improved Delay Flatness
Gain vs Frequency1MHz Lowpass Filter Cascaded with a 30kHz 3rd Order Highpass Filter
FREQUENCY (kHz)
0.1
–60
GAIN (dB)
–50
–40
–30
–20
–10
1 10 100 1000 10,000
1560-1 TA10
–70
–80
–90
100
110
0
10
+
+
–5V
5V
0.1µF
0.1µF
2.61k
560pF 560pF
560pF
3
1k
23.7k
2
4
8
1/2 LT1364
1
6
5
1/2 LT1364
7
0.1µF
39pF
(OR –5V)
0.01µF
0.1µF
0.01µF
V
IN
1560-1 TA09
560pF
GND
V
V
+
GND
V
IN
1
4
3
2
8
5
6
7
V
OUT
SHDN
0.5f
C
/f
C
LTC1560-1
+
+
5V
2
6.49k
6.65k
49.9
22pF
0.1µF
0.1µF
22pF
9.75k
20k
40.2k
3
V
OUT
1/2 LT1364
1
6
5
4
8
5V
1/2 LT1364
–5V
7
0.1µF
(OR –5V)
0.01µF
0.01µF
0.1µF
V
IN
–5V
1560-1 TA05
GND
V
V
+
GND
V
IN
1
4
3
2
8
5
6
7
V
OUT
SHDN
0.5f
C
/f
C
LTC1560-1
2-Level Eye Diagram of the Equalized Filter
2Mbps/s
1560-1 TA06