Datasheet
LTC1064
15
1064fb
TYPICAL APPLICATIO S
U
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA18
V
S
= ±8V
f
CLK
= 4.5MHz
f
CLK
= 50% DUTY CYCLE
f
–3dB
= 70kHz
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
R21
R31
R41
R22
R32
R42
R12
R44
R34
R24
5V TO 8V
0.1µF
TO V
+
–5V TO –8V
TO R13
V
OUT
V
IN1
FROM
PIN 20
1064 TA17
R43
R33
R23
RESISTOR VALUES:
R11 = 34.8k R21 = 34.8k R31 = 14.3k R41 = 40.2k
R12 = 10.5k R22 = 45.3k R32 = 22.1k R42 = 39.2k
R13 = 12.7k R23 = 34.8k R33 = 24.3k R43 = 20k
R14 = 20k R24 = 34.8k R34 = 13.3k R44 = 20k
WIDEBAND NOISE = 70µV
RMS
f
CLK
≤7MHz
R14
R13
R11
0.1µF
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA16
V
S
= ±8V
f
CLK
= 7MHz
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
R22
R32
R42
R23
R33
R43
R13
R44
R34
R24
8V
0.1µF
8V
–8V
V
OUT1
V
OUT2
V
IN1
V
IN2
1064 TA15
R41
R31
R21
RESISTOR VALUES:
R11 = 14.3k R21 = 13k R31 = 7.5k R41 = 10k
R12 = 15.4k R22 = 15.4k R32 = 7.5k R42 = 10k
R13 = 3.92k R23 = 20k R33 = 27.4k R43 = 40k
R14 = 3.92k R24 = 20k R34 = 6.8k R44 = 10k
WIDEBAND NOISE = 64µV
RMS
7MHz
CLOCK
R14
R11
R12
0.1µF
Amplitude Response
Dual 4th Order Bessel Filter with 140kHz Cutoff Frequency
Amplitude Response
8th Order Linear Phase (Bessel) Filter with
f
CLK
=
65
f
–3dB
1