Datasheet

LTC1043
13
1043fa
High Frequency Clock Tunable Bandpass Filter
LTC1043 • A18
–5V
1k
–5V
LT1004-1.2C
FREQUENCY IN
0kHz TO 30kHz
1µF
0V TO 3V OUTPUT
*75k = TRW # MTR-5/120ppm
–5V
5V
1000pF
5V
1µF
75k*
1/4 LTC1043
12
1413
–
+
10k
GAIN TRIM
LF356
16
4
17
0.005% F/V Converter
1000pF
1000pF
12
11
7
200pF
1/2 LTC1043
8
14
13
R
Q
= 10k
BANDPASS CENTER FREQUENCY f
O
=
BANDPASS GAIN AT f
O
IS: R
Q
/R
IN
•
f
O MAX
≤ 100kHz
Q
MAX
AT 100kHz f
O
IS ≤10
(f
O
• Q) MAX ≤ 1MHz
f
CLK MAX
≤ 3MHz, Q < 2
5V
–5V
5V
5V
–5V
–5V–5V
–
+
LT1056
LTC1043 • A19
BANDPASS
OUTPUT
3
17
2
4
200pF
1/2 LTC1043
6
18
15
5V
5
16
–
+
LT1056
–
+
LT1056
V
IN
10k
R
IN
R1
10k
R2
10k
CLOCK
INPUT
Q =
R
Q
R2 R1
R2
f
CLK
31.4 R1
R2
TYPICAL APPLICATIO S
U
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