LTC1064 Linear Technology, LTC1064 Datasheet - Page 14

• Manufacturer Part Number: LTC1064
• Description: Low Noise/ Fast/ Quad Universal Filter Building Block
• Manufacturer: Linear Technology

LTC1064
14
TYPICAL APPLICATIONS
5V TO 8V
V
V
IN2
PIN 20
IN1
8V
FROM
Dual 4th Order Bessel Filter with 140kHz Cutoff Frequency
V
IN1
8th Order Linear Phase (Bessel) Filter with
R12
R11
R11
R13
RESISTOR VALUES:
R11 = 14.3k R21 = 13k
R12 = 15.4k R22 = 15.4k
R13 = 3.92k R23 = 20k
R14 = 3.92k R24 = 20k
WIDEBAND NOISE = 64 V
0.1 F
R22
R32
R42
R41
R31
R21
RESISTOR VALUES:
R11 = 34.8k R21 = 34.8k
R12 = 10.5k R22 = 45.3k
R13 = 12.7k R23 = 34.8k
R14 = 20k
WIDEBAND NOISE = 70 V
0.1 F
R43
R33
R23
R21
R31
R41
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
1
2
3
4
5
6
7
8
9
R24 = 34.8k
+
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
+
LTC1064
RMS
LTC1064
R31 = 7.5k
R32 = 7.5k
R33 = 27.4k
R34 = 6.8k
RMS
HPC/NC
50/100
R31 = 14.3k
R32 = 22.1k
R33 = 24.3k
R34 = 13.3k
INV D
INV C
BPD
HPD
U
BPC
LPD
HPC/NC
LPC
CLK
50/100
SC
V
INV C
INV D
–
BPD
HPD
BPC
LPC
CLK
LPD
SC
V
24
23
22
21
20
19
18
17
16
15
14
13
–
R41 = 10k
R42 = 10k
R43 = 40k
R44 = 10k
24
23
22
21
20
19
18
17
16
15
14
13
7MHz
CLOCK
8V
R41 = 40.2k
R42 = 39.2k
R43 = 20k
R44 = 20k
R44
R34
R24
R14
f
TO V
R13
R23
R33
R43
CLK
f
7MHz
f
–3dB
CLK
R44
R34
R24
R14
R12
R22
R32
R42
+
= 65
0.1 F
1
1064 TA15
V
V
–8V
0.1 F
OUT1
OUT2
1064 TA17
TO R13
–5V TO –8V
V
OUT
–105
–105
– 15
–30
–45
–60
–75
–90
– 15
–30
–45
–60
–75
–90
15
15
0
0
10k
10k
V
f
f
f
V
f
CLK
CLK
–3dB
CLK
S
S
= 8V
= 8V
= 4.5MHz
= 50% DUTY CYCLE
Amplitude Response
= 7MHz
= 70kHz
Amplitude Response
INPUT FREQUENCY (Hz)
INPUT FREQUENCY (Hz)
100k
100k
1064 TA18
1064 TA16
1M
1M