Datasheet

12
LTC1062
1062fd
A Lowpass Filter with a 60Hz Notch
FB
AGND
V
–
DIVIDER
RATIO
B
OUT
OUT
V
+
C
OSC
1
2
3
4
8
7
6
5
LTC1062
1062 TA15
V
IN
R
9.09k
C
1µF
V
–
CLK IN
2.84kHz
V
OUT
V
+
R2
20k
R3
20k
R4
10k
–
+
R6
19.35k
R5
10k
A1
1/2 LT1013
–
+
A2
1/2 LT1013
R7
20k
C7
0.1µF
1
2πRC
=
f
CLK
100 • 1.62
Frequency Response of the Above Lowpass Filter
with the Notch f
NOTCH
= f
CLK
/47.3
f
IN
(Hz)
1
30
V
OUT
/V
IN
(Hz)
10
–10
10 100 1k
1062 TA16
50
40
20
0
60
70
TYPICAL APPLICATIO S
U