LTC1560-1 Linear Technology, LTC1560-1 Datasheet - Page 6

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

APPLICATIONS
LTC1560-1
The performance of the LTC1560-1 can be easily evaluated
by using demo board 135A which can be obtained through
LTC marketing. Figure 2 shows the circuit connection of
the LTC1560-1 in demo board 135A. The filter cutoff
frequency can be switched via S2 and the power savings
6
TP
TP
E1
E2
– 5V
V
IN
C3
1 F
16V
X7R
U
C2
0.22 F
INFORMATION
U
+ 5V FILTER SUPPLY
– 5V FILTER SUPPLY
FILTER INPUT
C1
0.01 F
W
GROUND
GROUND
Figure 2. Demo Board 135A Connection Diagram
1
2
3
4
GND
V
GND
V
IN
–
LTC1560-1
Figure 3. Demo Board 135A Layout
U1
0.5f
SHDN
JUMPER
U
V
C
OUT
JP1
V
/f
3
2
1
+
C
8
7
6
5
C4
0.01 F
332
R2
R1
1k
mode can also be activated via S1. The output of the filter
is buffered by U2, an LT
be bypassed by using jumper JP1. Figure 3 shows the
demo board layout.
GS01MSCKE
GS01MSCKE
S1
S2
2
3
1560-1 F03
–
UNBUFFERED OUTPUT
BUFFERED OUTPUT
GROUND
+15V BUFFER SUPPLY
– 15V BUFFER SUPPLY
+
LT1360CS8
U2
7
4
®
C5
0.22 F
C7
0.01 F
1360 op amp. The buffering can
6
C9
0.01 F
C10
1 F
25V
Y5V
C8
1 F
25V
Y5V
C6
1 F
16V
X7R
OUT2
OUT1
– 15V
GND
GND
GND
15V
5V
1560-1 F02
E3
TP
E4
TP
E5
TP
E6
TP
E7
TP
E8
TP
E9
TP
E10
TP