LTC1264 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1264 Datasheet PDF : 16 Pages
| |||
TYPICAL APPLICATI S
Linear Phase Clock-Tunable to 400kHz, Dual 4th Order Lowpass Filter
R1
R1
IN 1
R2
R3
R4
C
0.1µF
8V
C
R4
R3
R2
R1
IN 2
INV B
INV C
HPB/NB HPC/NC
BPB
BPC
LPB
LPC
SB
SC
LTC1264
AGND
V–
V+
CLK
SA
SD
LPA
LPD
BPA
BPD
HPA/NA HPD/ND
INV A
INV D
R1
R2
R3
R4
C
fCLK
C
R4
R3
R2
OUT 1
–8V
0.1µF
OUT 2
LTC1264 SIDE
MODE
R1
R2
R3
R4
C
B
2
17.8k
27.4k
19.6k
51.1k
5pF
C
2
20k
27.4k
21k
75k
5pF
A
2
17.8k
27.4k
19.6k
51.1k
5pF
D
2
20k
27.4k
21k
75k
5pF
fCLK
2MHz
3MHz
4MHz
5MHz
TA ≤ 50°C
f–3dB (VS = ±8V)
125kHz
200kHz
275kHz
400kHz
1264 TA04a
LTC1264
0
–10
–20
–30
–40
–50
–60
–70
–80
10k
Gain vs Frequency
100k
FREQUENCY (Hz)
1M
1264 TA04b
Clock-Tunable, fCENTER = fCLK/20, 100kHz, 4th Order Bandpass and Notch Filters
R1
R1
BANDPASS IN
R2
R3
0.1µF
7.5V
R3
R2
R1
NOTCH IN
C
INV B
INV C
HPB/NB HPC/NC
BPB
BPC
LPB
LPC
SB
SC
LTC1264
AGND
V–
V+
CLK
SA
SD
LPA
LPD
BPA
BPD
HPA/NA HPD/ND
INV A
INV D
R1
R2
R3
BANDPASS OUT
fCLK
2MHz
– 7.5V
0.1µF
NOTCH OUT
R3
R2
C
LTC1264 SIDE B
C
A
D
MODE
1
1
1
1
R1
20k 20k 10k 10k
R2
10k 10k 10k 10k
R3
20k 20k 20k 20k
C
10pF 10pF
1264 TA05a
Gain vs Frequency
10
0
–10
–20
–30
–40
–50
–60
–70 VS = ±7.5V
fCLK = 2MHz
–80
10k
100k
FREQUENCY (Hz)
1M
1264 TA05b
1264fb
13
Share Link: 