LTC1068CG-25 查看數據表（PDF） - Linear Technology
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LTC1068CG-25 Datasheet PDF : 28 Pages
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LTC1068 Series
TYPICAL APPLICATIONS
LTC1068 8th Order Linear Phase Bandpass, fCENTER = fCLK/100,
Passband – 3dB at (0.88)(fCENTER) and (1.12)(fCENTER). Maximum
fCENTER = 50kHz with ±5V Supplies
RL1
24.9k
RH1
51.1k
RB2
14.3k
R11
24.3k
VIN
R21
10k
R31
25.5k
R41
107k
1
INV B
2 HPB/NB
24
INV C
23
HPC/NC
3 BPB
BPC 22
4 LPB
LPC 21
R22
10k
R32
32.4k
R42
26.1k
5V
R63
2.32k
5
20
SB
SC
6
AGND
V– 19
7 V+ LTC1068
0.1µF
fCLK 18 1MHz
8 SA
SD 17
– 5V
0.1µF
R43
16.9k
R53
4.99k 9
LPA
16
LPD
R44
12.1k
R33
17.4k
R23
7.32k
10 BPA
BPD 15
11 HPA/NA
12 INV A
HPD/ND 14
INV D 13
R34
19.1k
R24
10k
RB3
18.7k
VOUT
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
1
24-Lead Package
1068 TA15a
Gain vs Frequency
10
FREQUENCY (kHz)
100
1068 TA15b
FilterCAD Custom Inputs for fC = 10kHz
2nd ORDER SECTION fO (kHz)
Q
fN (kHz) TYPE
B
10.4569 2.6999 17.4706 LPN
C
11.7607 3.9841
BP
A
8.6632 2.1384
BP
D
9.0909 1.8356
BP
MODE
2n
2
2b
3
22
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