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LTC1068-200IG#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
LTC1068 Series
19
1068fc
TYPICAL APPLICATIONS
LTC1068-200 8th Order Linear Phase Lowpass, f
CUTOFF
= f
CLK
/400
for Ultralow Frequency Applications
FilterCAD Custom Inputs for f
C
= 1Hz
2nd ORDER SECTION f
0
(kHz) Q Q
N
TYPE MODE
B 1.7947 0.7347 LP 3
C 1.6002 0.5195 LP 1b
A 1.7961 1.1369 1.0159 LPBP 3s
D 1.6070 0.5217 LP 1b
Gain and Group Delay
vs Frequency
INV B
HPB/NB
BPB
LPB
SB
NC
AGND
V
+
NC
SA
LPA
BPA
HPA/NA
INV A
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
INV C
HPC/NC
BPC
LPC
SC
V
–
NC
CLK
NC
SD
LPD
BPD
HPD/ND
INV D
LTC1068-200
R
L1
23.2k
R
L2
14.3k
R21 12.4k
R22 15.4k
R32 10k
R52 5.11k
R34 10k
R24 15.4k
R54 5.11k
R64 9.09k
R62 9.09k
R31 10k
R11
14.3k
R41 15.4k
R23 10k
R33 12.4k
R43 12.4k
R
B3
23.2k
R
L3
23.2k
0.1µF
5V
–5V
400kHz
V
OUT
1068 TA09
0.1µF
V
IN
FREQUENCY (Hz)
0.1
–90
GAIN (dB)
GROUP DELAY (SEC)
–70
–50
–30
–10
1 10
1068 TA10
10
–80
–60
–40
–20
0
0
0.2
0.4
0.6
0.8
1.0
0.1
0.3
0.5
0.7
0.9
GAIN
GROUP
DELAY
LTC1068 Series
20
1068fc
TYPICAL APPLICATIONS
LTC1068-50 8th Order Linear Phase Lowpass, f
CUTOFF
= f
CLK
/50
for Single Supply Low Power Applications. Maximum f
CUTOFF
is
20kHz with a 3.3V Supply and 40kHz with a 5V Supply
FilterCAD Custom Inputs for f
C
= 10kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) Q
N
TYPE MODE
B 9.5241 0.5248 0.5248 AP 4a3
C 11.0472 1.1258 21.7724 LPN 2n
A 11.0441 1.3392 1.5781 LPBP 2s
D 6.9687 0.6082 LP 3
Gain and Group Delay
vs Frequency
INV B
HPB/NB
BPB
LPB
SB
NC
AGND
V
+
NC
SA
LPA
BPA
HPA/NA
INV A
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
INV C
HPC/NC
BPC
LPC
SC
V
–
NC
CLK
NC
SD
LPD
BPD
HPD/ND
INV D
LTC1068-50
R
B1
13.3k
R
H2
34k
R
L2
9.09k
R
A1
56.2k
R21 20.5k
R22 43.2k
R32 43.2k
R42 196k
R34 14.3k
R44 34.8k
R24 16.9k
R31 10k
R11
22.6k
R41 22.6k
R23 10.7k
R33 12.7k
R43 48.7k
R
B3
24.9k
R
L3
26.7k
0.1µF
1µF
3.3V
500kHz
V
OUT
1068 TA11
V
IN
FREQUENCY (kHz)
1
GAIN (dB)
GROUP DELAY (µs)
–70
–50
–30
–10
10 100
1068 TA12
10
–80
–60
–40
–20
0
60
80
100
130
150
70
90
110
120
140
GAIN
GROUP
DELAY
LTC1068 Series
21
1068fc
TYPICAL APPLICATIONS
LTC1068-25 8th Order Lowpass, f
CUTOFF
= f
CLK
/32,
Attenuation –50dB at (1.25) (f
CUTOFF
) and –60dB at
(1.5)(f
CUTOFF
). Maximum f
CUTOFF
= 120kHz
FilterCAD Custom Inputs for f
C
= 100kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) TYPE MODE
B 70.9153 0.5540 127.2678 LPN 1bn
C 94.2154 2.3848 154.1187 LPN 1bn
A 101.4936 9.3564 230.5192 LPN 1bn
D 79.7030 0.9340 LP 1b
Gain vs Frequency
INV B
INV C
281
HPB/NB
HPC/NC
272
SB
NC
NC
SC
245
R21 10k
R22 10k
BPB BPC
263
R31 10k
R32 32.4k
LPA LPD
209
R63 8.45k
BPA BPD
1910
R33 118k
R34 15k
HPA/NA
HPD/ND
1811
INV A
INV D
17
16
15
12
13
14
R23 10k
R24 10k
LPB
LPC
25
4
R51
4.99k
R
H2
36.5k
R11 32.4k
V
IN
R64 3.16k
R62 5.9k
R
H1
18.2k
R
L1
26.7k
R
H3
53.6k
V
OUT
AGND
V
–
236
V
+
227
SA
SD
NC
NC
CLK
218
5V
–5V
3.2MHz
1068 TA13
LTC1068-25
0.1µF
0.1µF
R53
4.99k
R54
4.99k
R52
4.99k
R
L3
20.5K
R61
2.21k
R
L2
40.2k
FREQUENCY (kHz)
20
–80
GAIN (dB)
–70
–30
–10
100 500
1069 TA14
10
–40
–50
–60
–20
0
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

LTC1068-200IG#PBF

Mfr. #:
Buy LTC1068-200IG#PBF
Manufacturer:
Analog Devices Inc.
Description:
Active Filter Quad Universal Filter Building Block
Lifecycle:
New from this manufacturer.
Delivery:
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