LTC1064AMJ Ver la hoja de datos (PDF) - Linear Technology
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LTC1064AMJ Datasheet PDF : 20 Pages
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LTC1064
TYPICAL APPLICATIO S
8th Order Bandpass Filter with 2 Stopband Notches
RL2
5V TO 8V
VIN
R12
R22
R32
R42
0.1µF
R41
R31
R21
R11
RH2
1 INV B
INV C 24
2 HPB/NB HPC/NC 23
R23
3 BPB
BPC 22
R33
4 LPB
LPC 21
R43
5 SB
SC 20
6 AGND
V– 19
7 V+ LTC1064 CLK 18 1.28MHz
8 SA
50/100 17
9 LPA
LPD 16
R44
10 BPA
BPD 15
R34
11 HPA/NA
HPD 14
R24
12 INV A
INV D 13
RH3
RL3
0.1µF
–5V TO –8V
TO V+
RESISTOR VALUES:
R11 = 46.95k R21 = 10k
R12 = 93.93k R22 = 10k
R23 = 16.3k
R24 = 13.19k
R31 = 38.25k
R32 = 81.5k
R33 = 70.3k
R34 = 39.42k
R41 = 11.81k
R42 = 14.72k
R43 = 10k
R44 = 10.5k
RL2 = 27.46k
RL3 = 17.9k
VOUT
RH2 = 6.9k
RH3 = 69.7k
NOTE 1: THE V+, V– PINS SHOULD BE BYPASSED WITH A 0.1µF TO 0.22µF
CERAMIC CAPACITOR, RIGHT AT THE PINS.
NOTE 2: THE RATIOS OF ALL (R2/R4) RESISTORS SHOULD BE MATCHED
TO BETTER THAN 0.25%. THE REMAINING RESISTORS SHOULD BE
BETTER THAN 0.5% ACCURATE.
1064 TA07
Amplitude Response
10
VS = ±5V
0 fPCILNK1=71A.2T8VM+Hz
–10
–20
–30
–40
–50
–60
–70
1
5 10 20 40
100
INPUT FREQUENCY (kHz)
1064 TA08
C-Message Filter
R13
R22
R32
R42
5V
R11
VIN
R12 0.1µF
R41
R31
R21
1 INV B
INV C 24
2 HPB/NB HPC/NC 23
R23
3 BPB
BPC 22
R33
4 LPB
LPC 21
R43
5 SB
SC 20
R14
6 AGND
V– 19
7 V+ LTC1064 CLK 18
8 SA
50/100 17
9 LPA
LPD 16
R44
10 BPA
BPD 15
R34
11 HPA/NA
HPD 14
R24
12 INV A
INV D 13
RESISTOR VALUES:
R11 = 88.7k R21 = 10k
R12 = 10k R22 = 44.8k
R13 = 15.8k R23 = 48.9k
R14 = 15.8k R24 = 44.8k
R31 = 35.7k
R32 = 33.2k
R33 = 63.5k
R34 = 16.5k
R41 = 88.7k
R42 = 24.9k
R43 = 25.5k
R44 = 24.9k
12
0.1µF
–5V
fCLK
=
3.5795MHz
16
VOUT
10
0
–10
–20
–30
–40
–50
–60
–70
0
Amplitude Response
VS = ±5V
1
2
3
4
5
INPUT FREQUENCY (kHz)
1064 TA10
1064 TA09
1064fb
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