Datasheet

LTC1064
16
1064fb
INPUT FREQUENCY (Hz)
10k 50k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA20
PASSBAND RIPPLE = 0.2dB
Dual 5th Order Chebyshev Lowpass Filter with
50kHz and 100kHz Cutoff Frequencies
Amplitude Response
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R23
R33
R43
R24
R34
R44
R14
R42
R32
R22
8V
0.1µF
C2
1000pF
2pF
C1
1000pF
22pF
39pF
4pF
–8V
V
OUT2
f
C
= 100kHz
V
OUT1
f
C
= 50kHz
V
IN2
V
IN1
1064 TA19
R41
R31
R21
RESISTOR VALUES:
R11a = 4.32k R21 = 11.8k R31 = 29.4k R41 = 10k
R11b = 27.4k R22 = 20k R32 = 21.5k R42 = 31.6k
R12 = 10.5k R23 = 11.8k R33 = 29.4k R43 = 10k
R13a = 3k R24 = 20k R34 = 21.6k R44 = 31.6k
R13b = 29.4k
R14 = 10.5k
5MHz
T
2
L
R12
R13bR13a
R11b
R11a
0.1µF
TYPICAL APPLICATIO S
U