LTC1068 Series
22
1068fc
TYPICAL APPLICATIONS
LTC1068 8th Order Linear Phase Bandpass, f
CENTER
= f
CLK
/128,
Passband –3dB at (0.88)(f
CENTER
) and (1.12)(f
CENTER
). Maximum
f
CENTER
= 40kHz with ±5V Supplies
FilterCAD Custom Inputs for f
C
= 10kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) TYPE MODE
B 8.2199 2.6702 4.4025 HPN 3a
C 9.9188 3.3388 BP 1b
A 8.7411 2.1125 21.1672 LPN 3a
D 11.3122 5.0830 BP 1b
Gain vs Frequency
INV B INV C
241
HPB/NB HPC/NC
232
SB SC
205
R21
4.99k
R22
4.99k
BPB BPC
223
R31
19.6k
R41
12.1k
R32
21.5k
LPA LPD
169
R43
10.7k
BPA BPD
1510
R33
14.7k
HPA/NA HPD/ND
1411
INV A INV D
1312
R23
4.99k
R34
28.7k
R24
4.99k
LPB LPC
214
R11
26.1k
V
IN
R
L1
63.4k
R
H1
7.5k
R
B2
16.2k
R
H3
40.2k
AGND V
19
6
V
+
CLK
18
7
SA SD
178
5V
–5V
1.28MHz
1068 TA15
LTC1068
R52
4.99k
R54
4.99k
0.1µF
0.1µF
R62
7.5k
R64 17.8k
R
L3
14.7k
V
OUT
FREQUENCY (kHz)
1
GAIN(dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10 100
1068 TA16
24-Lead Package
LTC1068 Series
23
1068fc
TYPICAL APPLICATIONS
LTC1068 8th Order Linear Phase Bandpass, f
CENTER
= f
CLK
/100,
Passband –3dB at (0.88)(f
CENTER
) and (1.12)(f
CENTER
). Maximum
f
CENTER
= 50kHz with ±5V Supplies
FilterCAD Custom Inputs for f
C
= 10kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) TYPE MODE
B 10.4569 2.6999 17.4706 LPN 2n
C 11.7607 3.9841 BP 2
A 8.6632 2.1384 BP 2b
D 9.0909 1.8356 BP 3
Gain vs Frequency
24-Lead Package
INV B INV C
241
HPB/NB HPC/NC
23
2
SB SC
205
R21
10k
R22
10k
BPB BPC
223
R31
25.5k
R32
32.4k
LPA LPD
169
R43
16.9k
R63
2.32k
R44
12.1k
BPA BPD
1510
R33
17.4k
R34
19.1k
HPA/NA HPD/ND
1411
INV A INV D
1312
R23
7.32k
R24
10k
LPB LPC
214
R41
107k
R42
26.1k
R11
24.3k
V
IN
R
L1
24.9k
R
B2
14.3k
R
H1
51.1k
R
B3
18.7k
V
OUT
AGND V
196
V
+
f
CLK
18
7
SA SD
17
8
5V
–5V
1MHz
1068 TA17
LTC1068
0.1µF
0.1µF
R53
4.99k
FREQUENCY (kHz)
1
GAIN(dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10 100
1068 TA18
LTC1068 Series
24
1068fc
TYPICAL APPLICATIONS
LTC1068 8th Order Linear Phase Bandpass, f
CENTER
= f
CLK
/100,
Passband –3dB at (0.7)(f
CENTER
) and (1.3)(f
CENTER
), Superior Sinewave
Burst Response, Maximum f
CENTER
= 60kHz with ±5V Supplies
FilterCAD Custom Inputs for f
C
= 10kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) Q
N
TYPE MODE
B 10.1389 0.7087 1.7779 HPN 3a
C 9.8654 0.5540 44.7214 LPN 3a
A 9.8830 0.5434 27.7227 LPN 3a
D 12.4097 1.5264 BP 3
Gain vs Frequency
24-Lead Package
INV B INV C
241
HPB/NB
HPC/NC
23
2
SB SC
205
R21
14.7k
R22
18.2k
BPB BPC
223
R31
10k
R32
10k
LPA LPD
169
R43
21.5k
R44
10k
BPA BPD
1510
R33
11.3k
R34
17.8k
HPA/NA HPD/ND
1411
INV A INV D
1312
R23
21k
R24
15.4k
LPB
LPC
214
R41
14.3k
R42
18.7k
R11
11k
V
IN
R
L1
348k
R
L2
10k
R
H2
200k
R
H1
11k
R
H3
95.3k
R
L3
12.4k
V
OUT
AGND V
196
V
+
f
CLK
18
7
SA SD
17
8
5V
–5V
1MHz
LTC1068
0.1µF
0.1µF
1068 TA19
FREQUENCY (kHz)
1
GAIN(dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10 100
1068 TA20

LTC1068-200IG#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Active Filter Quad Universal Filter Building Block
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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